title: Does prenatal ultrasound increase risk of autism?
authors.forename: Christopher D
authors.initials: CD
authors.lastname: Olson
mesh_terms: D001321:Autistic Disorder / Q000209:etiology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal / Q000009:adverse effects*