title: A bilateral fallopian tube pregnancy: case report.
mesh_terms: D000328:Adult; D006063:Chorionic Gonadotropin; D005260:Female; D006801:Humans; D007247:Infertility, Female; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis; D011274:Pregnancy, Tubal / Q000175:diagnosis*; D014463:Ultrasonography
chemical_list: D006063:Chorionic Gonadotropin