"Vital Signs". 27 Ağustos 2014 tarihinde kaynağından arşivlendi. Erişim tarihi: 30 Eylül 2023.
"Vital Signs". Cleveland Clinic. 27 Ağustos 2014 tarihinde kaynağından arşivlendi. Erişim tarihi: 10 Eylül 2020.
doi.org
Lorenz, Karl A.; Sherbourne, Cathy D.; Shugarman, Lisa R.; Rubenstein, Lisa V.; Wen, Li; Cohen, Angela; Goebel, Joy R.; Hagenmeier, Emily; Simon, Barbara; Lanto, Andy; Asch, Steven M. (1 Mayıs 2009). "How Reliable is Pain as the Fifth Vital Sign?". J Am Board Fam Med. 22 (3): 291-298. doi:10.3122/jabfm.2009.03.080162. PMID19429735.
Lorenz, Karl A.; Sherbourne, Cathy D.; Shugarman, Lisa R.; Rubenstein, Lisa V.; Wen, Li; Cohen, Angela; Goebel, Joy R.; Hagenmeier, Emily; Simon, Barbara; Lanto, Andy; Asch, Steven M. (1 Mayıs 2009). "How Reliable is Pain as the Fifth Vital Sign?". J Am Board Fam Med. 22 (3): 291-298. doi:10.3122/jabfm.2009.03.080162. PMID19429735.
Vardi A, Levin I, Paret G, Barzilay Z (2000). "The sixth vital sign: end-tidal CO2 in pediatric trauma patients during transport". Harefuah. 139 (3–4): 85-7, 168. PMID10979461.
Holcomb JB, Salinas J, McManus JM, Miller CC, Cooke WH, Convertino VA (2005). "Manual vital signs reliably predict need for life-saving interventions in trauma patients". J Trauma. 59 (4): 821-8; discussion 828-9. doi:10.1097/01.ta.0000188125.44129.7c. PMID16374268.