title: Epidemiologic study of choriocarcinoma.
mesh_terms: D000328:Adult; D002822:Choriocarcinoma / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009518:New York; D011247:Pregnancy; D014594:Uterine Neoplasms / Q000453:epidemiology*