Prenatal ultrasonography: first do no harm?
Steinhorn
R H
RH
Department of Pediatrics, Gynecology, and Obstetrics, State University of New York at Buffalo, 14222, USA.
D000013:Congenital Abnormalities / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal