title: Recurrence of metastatic trophoblastic disease after negative, plasma human chorionic gonadotropin beta-subunit assay.
mesh_terms: D000328:Adult; D006063:Chorionic Gonadotropin / Q000097:blood*; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000556:secondary; D011247:Pregnancy; D012008:Recurrence; D013997:Time Factors; D014328:Trophoblastic Neoplasms / Q000097:blood* / Q000556:secondary / Q000628:therapy; D014594:Uterine Neoplasms / Q000097:blood* / Q000628:therapy
chemical_list: D006063:Chorionic Gonadotropin