title: Teratologic study of rats exposed to ultrasound.
mesh_terms: D000818:Animals; D001724:Birth Weight; D001842:Bone and Bones / Q000002:abnormalities; D000013:Congenital Abnormalities / Q000209:etiology*; D005260:Female; D005313:Fetal Death / Q000209:etiology; D005865:Gestational Age; D011247:Pregnancy; D051381:Rats; D013997:Time Factors; D014159:Transducers; D014465:Ultrasonics / Q000009:adverse effects*; D014463:Ultrasonography