Small cell carcinoma presenting as an extrapulmonary neoplasm: sites of origin and response to chemotherapy.
Levenson RM, Ihde DC, Matthews MJ, Cohen MH, Gazdar AF, Bunn PA, Minna JD. Small cell carcinoma presenting as an extrapulmonary neoplasm: sites of origin and response to chemotherapy. J Natl Cancer Inst. 1981 Sep; 67(3):607-12.