[Ultrasonic examinations in pregnancy--a tool as good as the user].
Holzgreve
W
W
D000223:Adaptation, Psychological; D000013:Congenital Abnormalities / Q000000981:diagnostic imaging / Q000523:psychology; D005260:Female; D005313:Fetal Death / Q000000981:diagnostic imaging; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011272:Pregnancy, Multiple; D016216:Ultrasonography, Prenatal / Q000523:psychology