title: [Ultrasonic potentials in the diagnosis of extrauterine pregnancy].
mesh_terms: D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis*; D012189:Retrospective Studies; D014463:Ultrasonography
vernacular_title: Vozmozhnosti ul'trazvukovoĭ ékhografii v diagnostike vnematochnoĭ beremennosti.