Ultrasound in obstetrics and gynecology: is this hot technology too hot?
Abramowicz
Jacques S
JS
D005260:Female; D017408:Guidelines as Topic; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D012449:Safety; D016216:Ultrasonography, Prenatal / Q000009:adverse effects* / Q000592:standards; D014481:United States; D014486:United States Food and Drug Administration