title: Statistical observation of chorionic tumor. With special reference to the prophylactic chemotherapy after the removal of hydatidiform mole.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D006828:Hydatidiform Mole / Q000601:surgery*; D008727:Methotrexate / Q000627:therapeutic use; D008875:Middle Aged; D011182:Postoperative Care; D011247:Pregnancy; D014328:Trophoblastic Neoplasms / Q000188:drug therapy*
chemical_list: D008727:Methotrexate