Maj, M (2005), "'Psychiatric comorbidity': an artefact of current diagnostic systems?", Br J Psychiatry, 186 (3): 182–84, doi:10.1192/bjp.186.3.182, PMID15738496.
First, Michael B. (2005). "Mutually Exclusive versus Co-Occurring Diagnostic Categories: The Challenge of Diagnostic Comorbidity". Psychopathology. 38 (4): 206–10. doi:10.1159/000086093. PMID16145276. S2CID24215247.
Rhee, Soo Hyun; Hewitt, John K.; Lessem, Jeffrey M.; Stallings, Michael C.; Corley, Robin P.; Neale, Michael C. (May 2004). "The Validity of the Neale and Kendler Model-Fitting Approach in Examining the Etiology of Comorbidity". Behavior Genetics. 34 (3): 251–65. doi:10.1023/B:BEGE.0000017871.87431.2a. PMID14990866. S2CID23065315.
Massimiliano Aragona (2009). "The Role of Comorbidity in the Crisis of the Current Psychiatric Classification System". Philosophy, Psychiatry, & Psychology. 16: 1–11. doi:10.1353/ppp.0.0211. S2CID143888431.
Kristiansen, K.; Nesbakken, R. (1975). "Proceedings of the 26th annual meeting of the Nordisk Neurokirurgisk Förening (Scandinavian Neurosurgical Society) Sept. 5–7, 1974, Oslo, Norway". Acta Neurochirurgica. 31 (3–4): 257–74. doi:10.1007/BF01406298. S2CID13220380.
Boyd, Jeffrey H.; Burke, Jack D.; Gruenberg, Ernest; Holzer, Charles E.; Rae, Donald S.; George, Linda K.; Karno, Marvin; Stoltzman, Roger; et al. (1984). "Exclusion Criteria of DSM-III: A Study of Co-occurrence of Hierarchy-Free Syndromes". Archives of General Psychiatry. 41 (10): 983–89. doi:10.1001/archpsyc.1984.01790210065008. PMID6477056.
Sanderson, William C.; Beck, Aaron T.; Beck, Judith (1990). "Syndrome comorbidity in patients with major depression or dysthymia: Prevalence and temporal relationships". The American Journal of Psychiatry. 147 (8): 1025–28. doi:10.1176/ajp.147.8.1025. PMID2375436.
Robins, Lee N. (1994). "How Recognizing 'Comorbidities' in Psychopathology May Lead to an Improved Research Nosology". Clinical Psychology: Science and Practice. 1: 93–95. doi:10.1111/j.1468-2850.1994.tb00010.x.
Kaplan, Moreson H.; Feinstein, Alvan R. (1974). "The importance of classifying initial co-morbidity in evaluating the outcome of diabetes mellitus". Journal of Chronic Diseases. 27 (7–8): 387–404. doi:10.1016/0021-9681(74)90017-4. PMID4436428.
Charlson, Mary E.; Sax, Frederic L. (1987). "The therapeutic efficacy of critical care units from two perspectives: A traditional cohort approach vs a new case-control methodology". Journal of Chronic Diseases. 40 (1): 31–39. doi:10.1016/0021-9681(87)90094-4. PMID3805232.
Schellevis, F.G.; Van De Lisdonk, E.; Van Der Velden, J.; Van Eijk, J.Th.M.; Van Weel, C. (1993). "Validity of diagnoses of chronic diseases in general practice". Journal of Clinical Epidemiology. 46 (5): 461–68. doi:10.1016/0895-4356(93)90023-T. PMID8501472.
Kraemer, Helena Chmura (1995). "Statistical issues in assessing comorbidity". Statistics in Medicine. 14 (8): 721–33. doi:10.1002/sim.4780140803. PMID7644854.
Van Den Akker, Marjan; Buntinx, Frank; Knottnerus, J André (1996). "Comorbidity or multimorbidity". European Journal of General Practice. 2 (2): 65–70. doi:10.3109/13814789609162146.
Grimby, A; Svanborg, A (1997). "Morbidity and health-related quality of life among ambulant elderly citizens". Aging. 9 (5): 356–64. doi:10.1007/bf03339614. PMID9458996. S2CID28534072.
Stier, David M; Greenfield, Sheldon; Lubeck, Deborah P; Dukes, Kimberly A; Flanders, Scott C; Henning, James M; Weir, Julie; Kaplan, Sherrie H (1999). "Quantifying comorbidity in a disease-specific cohort: Adaptation of the total illness burden index to prostate cancer". Urology. 54 (3): 424–29. doi:10.1016/S0090-4295(99)00203-4. PMID10475347.
Feinstein, Alvan R. (1970). "The pre-therapeutic classification of co-morbidity in chronic disease". Journal of Chronic Diseases. 23 (7): 455–68. doi:10.1016/0021-9681(70)90054-8. PMID26309916.
Greenfield, Sheldon; Apolone, Giovanni; McNeil, Barbara J.; Cleary, Paul D. (1993). "The Importance of Co-Existent Disease in the Occurrence of Postoperative Complications and One-Year Recovery in Patients Undergoing Total Hip Replacement: Comorbidity and Outcomes after Hip Replacement". Medical Care. 31 (2): 141–54. doi:10.1097/00005650-199302000-00005. JSTOR3765891. PMID8433577. S2CID13474819.
"Reliability and validity of a diabetes quality-of-life measure for the diabetes control and complications trial (DCCT). The DCCT Research Group". Diabetes Care. 11 (9): 725–32. 1988. doi:10.2337/diacare.11.9.725. PMID3066604. S2CID219229163.
Michelson, Helena; Bolund, Christina; Brandberg, Yvonne (2000). "Multiple chronic health problems are negatively associated with health related quality of life (HRQoL) irrespective of age". Quality of Life Research. 9 (10): 1093–104. doi:10.1023/A:1016654621784. PMID11401042. S2CID23029997.
Hoffman, Catherine; Rice, D; Sung, HY (1996). "Persons with Chronic Conditions: Their Prevalence and Costs". JAMA. 276 (18): 1473–79. doi:10.1001/jama.1996.03540180029029. PMID8903258.
Aronow, Wilbert S; Ahn, Chul; Mercando, Anthony D; Epstein, Stanley (2000). "Prevalence of coronary artery disease, complex ventricular arrhythmias, and silent myocardial ischemia and incidence of new coronary events in older persons with chronic renal insufficiency and with normal renal function". The American Journal of Cardiology. 86 (10): 1142–43, A9. doi:10.1016/S0002-9149(00)01176-0. PMID11074216.
Weir, Peter T.; Harlan, Gregory A.; Nkoy, Flo L.; Jones, Spencer S.; Hegmann, Kurt T.; Gren, Lisa H.; Lyon, Joseph L. (2006). "The Incidence of Fibromyalgia and Its Associated Comorbidities". Journal of Clinical Rheumatology. 12 (3): 124–28. doi:10.1097/01.rhu.0000221817.46231.18. PMID16755239. S2CID24272513.
Hudson, James I.; Goldenberg, Don L.; Pope, Harrison G.; Keck, Paul E.; Schlesinger, Lynn (1992). "Comorbidity of fibromyalgia with medical and psychiatric disorders". The American Journal of Medicine. 92 (4): 363–67. doi:10.1016/0002-9343(92)90265-D. PMID1558082.
Van Den Akker, Marjan; Buntinx, Frank; Metsemakers, Job F.M.; Roos, Sjef; Knottnerus, J. André (1998). "Multimorbidity in General Practice: Prevalence, Incidence, and Determinants of Co-Occurring Chronic and Recurrent Diseases". Journal of Clinical Epidemiology. 51 (5): 367–75. doi:10.1016/S0895-4356(97)00306-5. PMID9619963.
Gijsen, Ronald; Hoeymans, Nancy; Schellevis, François G.; Ruwaard, Dirk; Satariano, William A.; Van Den Bos, Geertrudis A.M. (2001). "Causes and consequences of comorbidity". Journal of Clinical Epidemiology. 54 (7): 661–74. doi:10.1016/S0895-4356(00)00363-2. PMID11438406.
Charlson, Mary E.; Pompei, Peter; Ales, Kathy L.; MacKenzie, C. Ronald (1987). "A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation". Journal of Chronic Diseases. 40 (5): 373–83. doi:10.1016/0021-9681(87)90171-8. PMID3558716.
Sharabiani, Mansour; Aylin, Paul; Bottle, Alex (December 2012). "Systematic review of comorbidity indices for administrative data". Medical Care. 50 (12): 1109–18. doi:10.1097/MLR.0b013e31825f64d0. PMID22929993. S2CID25852524.
Evans, DC; Cook, CH; Christy, JM (August 2012). "Comorbidity–polypharmacy scoring facilitates outcome prediction in older trauma patients". J Am Geriatr Soc. 60 (8): 1465–70. doi:10.1111/j.1532-5415.2012.04075.x. PMID22788674. S2CID40542659.
Justiniano, CF; Coffey, RA; Evans, DC (Jan 2015). "Comorbidity–polypharmacy score predicts in-hospital complications and the need for discharge to extended care facility in older burn patients". J Burn Care Res. 36 (1): 193–96. doi:10.1097/bcr.0000000000000094. PMID25559732. S2CID3677354.
Van Walraven, Carl; Austin, Peter C.; Jennings, Alison; Quan, Hude; Forster, Alan J. (2009). "A Modification of the Elixhauser Comorbidity Measures into a Point System for Hospital Death Using Administrative Data". Medical Care. 47 (6): 626–33. doi:10.1097/MLR.0b013e31819432e5. PMID19433995. S2CID35832401.
Miller, Mark D.; Paradis, Cynthia F.; Houck, Patricia R.; Mazumdar, Sati; Stack, Jacqueline A.; Rifai, A. Hind; Mulsant, Benoit; Reynolds, Charles F. (1992). "Rating chronic medical illness burden in geropsychiatric practice and research: Application of the Cumulative Illness Rating Scale". Psychiatry Research. 41 (3): 237–48. doi:10.1016/0165-1781(92)90005-N. PMID1594710. S2CID21806654.
Kaplan, M. H.; Feinstein, A. R. (1973). "A critique of methods in reported studies of long-term vascular complications in patients with diabetes mellitus". Diabetes. 22 (3): 160–74. doi:10.2337/diab.22.3.160. PMID4689292. S2CID39418912.
Deyo, R; Cherkin, DC; Ciol, MA (1992). "Adapting a clinical comorbidity index for use with ICD-9-CM administrative databases". Journal of Clinical Epidemiology. 45 (6): 613–19. doi:10.1016/0895-4356(92)90133-8. PMID1607900.
Groll, D; To, T; Bombardier, C; Wright, J (2005). "The development of a comorbidity index with physical function as the outcome". Journal of Clinical Epidemiology. 58 (6): 595–602. doi:10.1016/j.jclinepi.2004.10.018. PMID15878473.
Muñoz, Eric; Rosner, Fred; Friedman, Richard; Sterman, Harris; Goldstein, Jonathan; Wise, Leslie (1988). "Financial risk, hospital cost, and complications and comorbidities in medical non-complications and comorbidity-stratified diagnosis-related groups". The American Journal of Medicine. 84 (5): 933–39. doi:10.1016/0002-9343(88)90074-5. PMID3129939.
Greenfield, Sheldon; Apolone, Giovanni; McNeil, Barbara J.; Cleary, Paul D. (1993). "The Importance of Co-Existent Disease in the Occurrence of Postoperative Complications and One-Year Recovery in Patients Undergoing Total Hip Replacement: Comorbidity and Outcomes after Hip Replacement". Medical Care. 31 (2): 141–54. doi:10.1097/00005650-199302000-00005. JSTOR3765891. PMID8433577. S2CID13474819.
Jakovljević M, Ostojić L (June 2013). "Comorbidity and multimorbidity in medicine today: challenges and opportunities for bringing separated branches of medicine closer to each other". Psychiatr Danub. 25 Suppl 1 (25 Suppl 1): 18–28. PMID23806971.
Maj, M (2005), "'Psychiatric comorbidity': an artefact of current diagnostic systems?", Br J Psychiatry, 186 (3): 182–84, doi:10.1192/bjp.186.3.182, PMID15738496.
First, Michael B. (2005). "Mutually Exclusive versus Co-Occurring Diagnostic Categories: The Challenge of Diagnostic Comorbidity". Psychopathology. 38 (4): 206–10. doi:10.1159/000086093. PMID16145276. S2CID24215247.
Rhee, Soo Hyun; Hewitt, John K.; Lessem, Jeffrey M.; Stallings, Michael C.; Corley, Robin P.; Neale, Michael C. (May 2004). "The Validity of the Neale and Kendler Model-Fitting Approach in Examining the Etiology of Comorbidity". Behavior Genetics. 34 (3): 251–65. doi:10.1023/B:BEGE.0000017871.87431.2a. PMID14990866. S2CID23065315.
Boyd, Jeffrey H.; Burke, Jack D.; Gruenberg, Ernest; Holzer, Charles E.; Rae, Donald S.; George, Linda K.; Karno, Marvin; Stoltzman, Roger; et al. (1984). "Exclusion Criteria of DSM-III: A Study of Co-occurrence of Hierarchy-Free Syndromes". Archives of General Psychiatry. 41 (10): 983–89. doi:10.1001/archpsyc.1984.01790210065008. PMID6477056.
Sanderson, William C.; Beck, Aaron T.; Beck, Judith (1990). "Syndrome comorbidity in patients with major depression or dysthymia: Prevalence and temporal relationships". The American Journal of Psychiatry. 147 (8): 1025–28. doi:10.1176/ajp.147.8.1025. PMID2375436.
Kaplan, Moreson H.; Feinstein, Alvan R. (1974). "The importance of classifying initial co-morbidity in evaluating the outcome of diabetes mellitus". Journal of Chronic Diseases. 27 (7–8): 387–404. doi:10.1016/0021-9681(74)90017-4. PMID4436428.
Pincus, T; Callahan, LF (1986). "Taking mortality in rheumatoid arthritis seriously--predictive markers, socioeconomic status and comorbidity". The Journal of Rheumatology. 13 (5): 841–45. PMID3820193.
Charlson, Mary E.; Sax, Frederic L. (1987). "The therapeutic efficacy of critical care units from two perspectives: A traditional cohort approach vs a new case-control methodology". Journal of Chronic Diseases. 40 (1): 31–39. doi:10.1016/0021-9681(87)90094-4. PMID3805232.
Schellevis, F.G.; Van De Lisdonk, E.; Van Der Velden, J.; Van Eijk, J.Th.M.; Van Weel, C. (1993). "Validity of diagnoses of chronic diseases in general practice". Journal of Clinical Epidemiology. 46 (5): 461–68. doi:10.1016/0895-4356(93)90023-T. PMID8501472.
Kraemer, Helena Chmura (1995). "Statistical issues in assessing comorbidity". Statistics in Medicine. 14 (8): 721–33. doi:10.1002/sim.4780140803. PMID7644854.
Grimby, A; Svanborg, A (1997). "Morbidity and health-related quality of life among ambulant elderly citizens". Aging. 9 (5): 356–64. doi:10.1007/bf03339614. PMID9458996. S2CID28534072.
Stier, David M; Greenfield, Sheldon; Lubeck, Deborah P; Dukes, Kimberly A; Flanders, Scott C; Henning, James M; Weir, Julie; Kaplan, Sherrie H (1999). "Quantifying comorbidity in a disease-specific cohort: Adaptation of the total illness burden index to prostate cancer". Urology. 54 (3): 424–29. doi:10.1016/S0090-4295(99)00203-4. PMID10475347.
Feinstein, Alvan R. (1970). "The pre-therapeutic classification of co-morbidity in chronic disease". Journal of Chronic Diseases. 23 (7): 455–68. doi:10.1016/0021-9681(70)90054-8. PMID26309916.
Greenfield, Sheldon; Apolone, Giovanni; McNeil, Barbara J.; Cleary, Paul D. (1993). "The Importance of Co-Existent Disease in the Occurrence of Postoperative Complications and One-Year Recovery in Patients Undergoing Total Hip Replacement: Comorbidity and Outcomes after Hip Replacement". Medical Care. 31 (2): 141–54. doi:10.1097/00005650-199302000-00005. JSTOR3765891. PMID8433577. S2CID13474819.
"Reliability and validity of a diabetes quality-of-life measure for the diabetes control and complications trial (DCCT). The DCCT Research Group". Diabetes Care. 11 (9): 725–32. 1988. doi:10.2337/diacare.11.9.725. PMID3066604. S2CID219229163.
Michelson, Helena; Bolund, Christina; Brandberg, Yvonne (2000). "Multiple chronic health problems are negatively associated with health related quality of life (HRQoL) irrespective of age". Quality of Life Research. 9 (10): 1093–104. doi:10.1023/A:1016654621784. PMID11401042. S2CID23029997.
Hoffman, Catherine; Rice, D; Sung, HY (1996). "Persons with Chronic Conditions: Their Prevalence and Costs". JAMA. 276 (18): 1473–79. doi:10.1001/jama.1996.03540180029029. PMID8903258.
Aronow, Wilbert S; Ahn, Chul; Mercando, Anthony D; Epstein, Stanley (2000). "Prevalence of coronary artery disease, complex ventricular arrhythmias, and silent myocardial ischemia and incidence of new coronary events in older persons with chronic renal insufficiency and with normal renal function". The American Journal of Cardiology. 86 (10): 1142–43, A9. doi:10.1016/S0002-9149(00)01176-0. PMID11074216.
Weir, Peter T.; Harlan, Gregory A.; Nkoy, Flo L.; Jones, Spencer S.; Hegmann, Kurt T.; Gren, Lisa H.; Lyon, Joseph L. (2006). "The Incidence of Fibromyalgia and Its Associated Comorbidities". Journal of Clinical Rheumatology. 12 (3): 124–28. doi:10.1097/01.rhu.0000221817.46231.18. PMID16755239. S2CID24272513.
Hudson, James I.; Goldenberg, Don L.; Pope, Harrison G.; Keck, Paul E.; Schlesinger, Lynn (1992). "Comorbidity of fibromyalgia with medical and psychiatric disorders". The American Journal of Medicine. 92 (4): 363–67. doi:10.1016/0002-9343(92)90265-D. PMID1558082.
Van Den Akker, Marjan; Buntinx, Frank; Metsemakers, Job F.M.; Roos, Sjef; Knottnerus, J. André (1998). "Multimorbidity in General Practice: Prevalence, Incidence, and Determinants of Co-Occurring Chronic and Recurrent Diseases". Journal of Clinical Epidemiology. 51 (5): 367–75. doi:10.1016/S0895-4356(97)00306-5. PMID9619963.
Gijsen, Ronald; Hoeymans, Nancy; Schellevis, François G.; Ruwaard, Dirk; Satariano, William A.; Van Den Bos, Geertrudis A.M. (2001). "Causes and consequences of comorbidity". Journal of Clinical Epidemiology. 54 (7): 661–74. doi:10.1016/S0895-4356(00)00363-2. PMID11438406.
Charlson, Mary E.; Pompei, Peter; Ales, Kathy L.; MacKenzie, C. Ronald (1987). "A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation". Journal of Chronic Diseases. 40 (5): 373–83. doi:10.1016/0021-9681(87)90171-8. PMID3558716.
Sharabiani, Mansour; Aylin, Paul; Bottle, Alex (December 2012). "Systematic review of comorbidity indices for administrative data". Medical Care. 50 (12): 1109–18. doi:10.1097/MLR.0b013e31825f64d0. PMID22929993. S2CID25852524.
Evans, DC; Cook, CH; Christy, JM (August 2012). "Comorbidity–polypharmacy scoring facilitates outcome prediction in older trauma patients". J Am Geriatr Soc. 60 (8): 1465–70. doi:10.1111/j.1532-5415.2012.04075.x. PMID22788674. S2CID40542659.
Justiniano, CF; Coffey, RA; Evans, DC (Jan 2015). "Comorbidity–polypharmacy score predicts in-hospital complications and the need for discharge to extended care facility in older burn patients". J Burn Care Res. 36 (1): 193–96. doi:10.1097/bcr.0000000000000094. PMID25559732. S2CID3677354.
Van Walraven, Carl; Austin, Peter C.; Jennings, Alison; Quan, Hude; Forster, Alan J. (2009). "A Modification of the Elixhauser Comorbidity Measures into a Point System for Hospital Death Using Administrative Data". Medical Care. 47 (6): 626–33. doi:10.1097/MLR.0b013e31819432e5. PMID19433995. S2CID35832401.
Miller, Mark D.; Paradis, Cynthia F.; Houck, Patricia R.; Mazumdar, Sati; Stack, Jacqueline A.; Rifai, A. Hind; Mulsant, Benoit; Reynolds, Charles F. (1992). "Rating chronic medical illness burden in geropsychiatric practice and research: Application of the Cumulative Illness Rating Scale". Psychiatry Research. 41 (3): 237–48. doi:10.1016/0165-1781(92)90005-N. PMID1594710. S2CID21806654.
Kaplan, M. H.; Feinstein, A. R. (1973). "A critique of methods in reported studies of long-term vascular complications in patients with diabetes mellitus". Diabetes. 22 (3): 160–74. doi:10.2337/diab.22.3.160. PMID4689292. S2CID39418912.
Deyo, R; Cherkin, DC; Ciol, MA (1992). "Adapting a clinical comorbidity index for use with ICD-9-CM administrative databases". Journal of Clinical Epidemiology. 45 (6): 613–19. doi:10.1016/0895-4356(92)90133-8. PMID1607900.
Groll, D; To, T; Bombardier, C; Wright, J (2005). "The development of a comorbidity index with physical function as the outcome". Journal of Clinical Epidemiology. 58 (6): 595–602. doi:10.1016/j.jclinepi.2004.10.018. PMID15878473.
Muñoz, Eric; Rosner, Fred; Friedman, Richard; Sterman, Harris; Goldstein, Jonathan; Wise, Leslie (1988). "Financial risk, hospital cost, and complications and comorbidities in medical non-complications and comorbidity-stratified diagnosis-related groups". The American Journal of Medicine. 84 (5): 933–39. doi:10.1016/0002-9343(88)90074-5. PMID3129939.
Нуллер, Ю. Л. "Депрессия и деперсонализация: проблема коморбидности" [Depression and depersonalization: the problem of comorbidity]. Депрессии и коморбидные расстройства [Depression and comorbid disorders] (in Russian).
Смулевич, А. Б.; Дубницкая, Э. Б.; Тхостов, А. Ш.; Зеленина, Е. В.; Андрющенко, A. В.; Иванов, C. В. "Психопатология депрессий (к построению типологической модели)" [Psychopathology of depression (the construction of a typological model)]. Депрессии и коморбидные расстройства [Depression and comorbid disorders] (in Russian).
First, Michael B. (2005). "Mutually Exclusive versus Co-Occurring Diagnostic Categories: The Challenge of Diagnostic Comorbidity". Psychopathology. 38 (4): 206–10. doi:10.1159/000086093. PMID16145276. S2CID24215247.
Reale, Laura; Bartoli, Beatrice; Cartabia, Massimo; Zanetti, Michele; Costantino, Maria Antonella; Canevini, Maria Paola; Termine, Cristiano; Bonati, Maurizio; Conte, Stefano; Renzetti, Valeria; Salvoni, Laura (2017-12-01). "Comorbidity prevalence and treatment outcome in children and adolescents with ADHD". European Child & Adolescent Psychiatry. 26 (12): 1443–1457. doi:10.1007/s00787-017-1005-z. ISSN1435-165X. PMID28527021. S2CID3076193.
Rhee, Soo Hyun; Hewitt, John K.; Lessem, Jeffrey M.; Stallings, Michael C.; Corley, Robin P.; Neale, Michael C. (May 2004). "The Validity of the Neale and Kendler Model-Fitting Approach in Examining the Etiology of Comorbidity". Behavior Genetics. 34 (3): 251–65. doi:10.1023/B:BEGE.0000017871.87431.2a. PMID14990866. S2CID23065315.
Massimiliano Aragona (2009). "The Role of Comorbidity in the Crisis of the Current Psychiatric Classification System". Philosophy, Psychiatry, & Psychology. 16: 1–11. doi:10.1353/ppp.0.0211. S2CID143888431.
Kristiansen, K.; Nesbakken, R. (1975). "Proceedings of the 26th annual meeting of the Nordisk Neurokirurgisk Förening (Scandinavian Neurosurgical Society) Sept. 5–7, 1974, Oslo, Norway". Acta Neurochirurgica. 31 (3–4): 257–74. doi:10.1007/BF01406298. S2CID13220380.
Grimby, A; Svanborg, A (1997). "Morbidity and health-related quality of life among ambulant elderly citizens". Aging. 9 (5): 356–64. doi:10.1007/bf03339614. PMID9458996. S2CID28534072.
Greenfield, Sheldon; Apolone, Giovanni; McNeil, Barbara J.; Cleary, Paul D. (1993). "The Importance of Co-Existent Disease in the Occurrence of Postoperative Complications and One-Year Recovery in Patients Undergoing Total Hip Replacement: Comorbidity and Outcomes after Hip Replacement". Medical Care. 31 (2): 141–54. doi:10.1097/00005650-199302000-00005. JSTOR3765891. PMID8433577. S2CID13474819.
"Reliability and validity of a diabetes quality-of-life measure for the diabetes control and complications trial (DCCT). The DCCT Research Group". Diabetes Care. 11 (9): 725–32. 1988. doi:10.2337/diacare.11.9.725. PMID3066604. S2CID219229163.
Michelson, Helena; Bolund, Christina; Brandberg, Yvonne (2000). "Multiple chronic health problems are negatively associated with health related quality of life (HRQoL) irrespective of age". Quality of Life Research. 9 (10): 1093–104. doi:10.1023/A:1016654621784. PMID11401042. S2CID23029997.
Weir, Peter T.; Harlan, Gregory A.; Nkoy, Flo L.; Jones, Spencer S.; Hegmann, Kurt T.; Gren, Lisa H.; Lyon, Joseph L. (2006). "The Incidence of Fibromyalgia and Its Associated Comorbidities". Journal of Clinical Rheumatology. 12 (3): 124–28. doi:10.1097/01.rhu.0000221817.46231.18. PMID16755239. S2CID24272513.
Sharabiani, Mansour; Aylin, Paul; Bottle, Alex (December 2012). "Systematic review of comorbidity indices for administrative data". Medical Care. 50 (12): 1109–18. doi:10.1097/MLR.0b013e31825f64d0. PMID22929993. S2CID25852524.
Evans, DC; Cook, CH; Christy, JM (August 2012). "Comorbidity–polypharmacy scoring facilitates outcome prediction in older trauma patients". J Am Geriatr Soc. 60 (8): 1465–70. doi:10.1111/j.1532-5415.2012.04075.x. PMID22788674. S2CID40542659.
Justiniano, CF; Coffey, RA; Evans, DC (Jan 2015). "Comorbidity–polypharmacy score predicts in-hospital complications and the need for discharge to extended care facility in older burn patients". J Burn Care Res. 36 (1): 193–96. doi:10.1097/bcr.0000000000000094. PMID25559732. S2CID3677354.
Van Walraven, Carl; Austin, Peter C.; Jennings, Alison; Quan, Hude; Forster, Alan J. (2009). "A Modification of the Elixhauser Comorbidity Measures into a Point System for Hospital Death Using Administrative Data". Medical Care. 47 (6): 626–33. doi:10.1097/MLR.0b013e31819432e5. PMID19433995. S2CID35832401.
Miller, Mark D.; Paradis, Cynthia F.; Houck, Patricia R.; Mazumdar, Sati; Stack, Jacqueline A.; Rifai, A. Hind; Mulsant, Benoit; Reynolds, Charles F. (1992). "Rating chronic medical illness burden in geropsychiatric practice and research: Application of the Cumulative Illness Rating Scale". Psychiatry Research. 41 (3): 237–48. doi:10.1016/0165-1781(92)90005-N. PMID1594710. S2CID21806654.
Kaplan, M. H.; Feinstein, A. R. (1973). "A critique of methods in reported studies of long-term vascular complications in patients with diabetes mellitus". Diabetes. 22 (3): 160–74. doi:10.2337/diab.22.3.160. PMID4689292. S2CID39418912.