title: Gestational trophoblastic disease with coexistent normal fetus: evaluation by ultrasound-guided chorionic villus sampling.
mesh_terms: D000328:Adult; D001706:Biopsy / Q000379:methods; D002824:Chorionic Villi / Q000473:pathology*; D003937:Diagnosis, Differential; D005260:Female; D005333:Fetus; D006801:Humans; D007621:Karyotyping; D011247:Pregnancy; D011272:Pregnancy, Multiple; D011296:Prenatal Diagnosis; D014328:Trophoblastic Neoplasms / Q000175:diagnosis*; D014463:Ultrasonography; D014594:Uterine Neoplasms / Q000175:diagnosis*