The use of x-ray in obstetrics.
D005260:Female; D006801:Humans; D009369:Neoplasms; D009774:Obstetrics; D011247:Pregnancy; D011859:Radiography; D014594:Uterine Neoplasms; D014599:Uterus; D014965:X-Rays
OBSTETRICS; ROENTGENOGRAPHY; UTERUS/neoplasms