title: Yolk sac derived teratomas and carcinomas in hamsters.
mesh_terms: D000818:Animals; D002277:Carcinoma / Q000209:etiology; D002471:Cell Transformation, Neoplastic; D006224:Cricetinae; D005260:Female; D008854:Microscopy, Electron; D009368:Neoplasm Transplantation; D009374:Neoplasms, Experimental / Q000209:etiology; D011247:Pregnancy; D013724:Teratoma / Q000209:etiology* / Q000648:ultrastructure; D013997:Time Factors; D015017:Yolk Sac / Q000473:pathology