Routine obstetric ultrasonography.
King
V J
VJ
University of North Carolina Chapel Hill, USA. vking@med.unc.edu
D000328:Adult; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D017063:Outcome Assessment, Health Care; D011247:Pregnancy; D011256:Pregnancy Outcome; D011446:Prospective Studies; D016032:Randomized Controlled Trials as Topic; D015203:Reproducibility of Results; D013019:South Africa; D016216:Ultrasonography, Prenatal / Q000191:economics