title: Pregnancy testing-principles and practice.
mesh_terms: D006063:Chorionic Gonadotropin / Q000097:blood / Q000652:urine; D005260:Female; D006801:Humans; D011247:Pregnancy; D011258:Pregnancy Tests; D011271:Pregnancy, Ectopic / Q000175:diagnosis; D014328:Trophoblastic Neoplasms / Q000175:diagnosis; D014594:Uterine Neoplasms / Q000175:diagnosis
chemical_list: D006063:Chorionic Gonadotropin