title: Caution in use of new test for ectopic pregnancy.
authors: S T
authors: ST
authors: Haas
mesh_terms: D006063:Chorionic Gonadotropin / Q000032:analysis*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis*
chemical_list: D006063:Chorionic Gonadotropin