[Theory and clinical applications of diagnostic imaging methods (7). Obstetrical and gynecological disorders, with reference to the diagnosis of gestation and radiation effects on the gravida].
D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy / Q000528:radiation effects*; D011248:Pregnancy Complications / Q000175:diagnosis*; D014463:Ultrasonography