Current status of safety of diagnostic ultrasound.
Barnett
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D005260:Female; D018882:Heat Stress Disorders / Q000209:etiology; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D012449:Safety; D013312:Stress, Physiological / Q000209:etiology; D014463:Ultrasonography / Q000009:adverse effects*; D016216:Ultrasonography, Prenatal / Q000009:adverse effects