Olson, S. H.; Mignone, L.; Nakraseive, C.; Caputo, T. A.; Barakat, R. R.; Harlap, S. (2001년 8월 1일). “Symptoms of ovarian cancer”. 《Obstetrics and Gynecology》 98 (2): 212–217. doi:10.1016/s0029-7844(01)01457-0. ISSN0029-7844. PMID11506835.
Mehanna, H.; Paleri, V.; West, C. M. L.; Nutting, C. (2010년 1월 1일). “Head and neck cancer—Part 1: Epidemiology, presentation, and prevention”. 《BMJ (Clinical Research Ed.)》 341: c4684. doi:10.1136/bmj.c4684. ISSN1756-1833. PMID20855405.
Snyder, H.; Robinson, K.; Shah, D.; Brennan, R.; Handrigan, M. (1993년 6월 1일). “Signs and symptoms of patients with brain tumors presenting to the emergency department”. 《The Journal of Emergency Medicine》 11 (3): 253–258. doi:10.1016/0736-4679(93)90042-6. ISSN0736-4679. PMID8340578.
Holly, Elizabeth A.; Chaliha, Indranushi; Bracci, Paige M.; Gautam, Manjushree (2004년 6월 1일). “Signs and symptoms of pancreatic cancer: a population-based case-control study in the San Francisco Bay area”. 《Clinical Gastroenterology and Hepatology》 2 (6): 510–517. doi:10.1016/s1542-3565(04)00171-5. ISSN1542-3565. PMID15181621.
Olson, S. H.; Mignone, L.; Nakraseive, C.; Caputo, T. A.; Barakat, R. R.; Harlap, S. (2001년 8월 1일). “Symptoms of ovarian cancer”. 《Obstetrics and Gynecology》 98 (2): 212–217. doi:10.1016/s0029-7844(01)01457-0. ISSN0029-7844. PMID11506835.
Information, National Center for Biotechnology; Pike, U. S. National Library of Medicine 8600 Rockville; MD, Bethesda; Usa, 20894. “Lung Cancer: Symptoms - National Library of Medicine”. 《PubMed Health》. 2016년 1월 17일에 확인함.
Mehanna, H.; Paleri, V.; West, C. M. L.; Nutting, C. (2010년 1월 1일). “Head and neck cancer—Part 1: Epidemiology, presentation, and prevention”. 《BMJ (Clinical Research Ed.)》 341: c4684. doi:10.1136/bmj.c4684. ISSN1756-1833. PMID20855405.
Snyder, H.; Robinson, K.; Shah, D.; Brennan, R.; Handrigan, M. (1993년 6월 1일). “Signs and symptoms of patients with brain tumors presenting to the emergency department”. 《The Journal of Emergency Medicine》 11 (3): 253–258. doi:10.1016/0736-4679(93)90042-6. ISSN0736-4679. PMID8340578.
Information, National Center for Biotechnology; Pike, U. S. National Library of Medicine 8600 Rockville; MD, Bethesda; Usa, 20894. “Colon Cancer: Symptoms – National Library of Medicine”. 《PubMed Health》. 2016년 1월 17일에 확인함.
Holly, Elizabeth A.; Chaliha, Indranushi; Bracci, Paige M.; Gautam, Manjushree (2004년 6월 1일). “Signs and symptoms of pancreatic cancer: a population-based case-control study in the San Francisco Bay area”. 《Clinical Gastroenterology and Hepatology》 2 (6): 510–517. doi:10.1016/s1542-3565(04)00171-5. ISSN1542-3565. PMID15181621.
Olson, S. H.; Mignone, L.; Nakraseive, C.; Caputo, T. A.; Barakat, R. R.; Harlap, S. (2001년 8월 1일). “Symptoms of ovarian cancer”. 《Obstetrics and Gynecology》 98 (2): 212–217. doi:10.1016/s0029-7844(01)01457-0. ISSN0029-7844. PMID11506835.
Mehanna, H.; Paleri, V.; West, C. M. L.; Nutting, C. (2010년 1월 1일). “Head and neck cancer—Part 1: Epidemiology, presentation, and prevention”. 《BMJ (Clinical Research Ed.)》 341: c4684. doi:10.1136/bmj.c4684. ISSN1756-1833. PMID20855405.
Snyder, H.; Robinson, K.; Shah, D.; Brennan, R.; Handrigan, M. (1993년 6월 1일). “Signs and symptoms of patients with brain tumors presenting to the emergency department”. 《The Journal of Emergency Medicine》 11 (3): 253–258. doi:10.1016/0736-4679(93)90042-6. ISSN0736-4679. PMID8340578.
Holly, Elizabeth A.; Chaliha, Indranushi; Bracci, Paige M.; Gautam, Manjushree (2004년 6월 1일). “Signs and symptoms of pancreatic cancer: a population-based case-control study in the San Francisco Bay area”. 《Clinical Gastroenterology and Hepatology》 2 (6): 510–517. doi:10.1016/s1542-3565(04)00171-5. ISSN1542-3565. PMID15181621.