title: Brief report: genetic, prenatal, and immunologic factors.
authors: UCLA Neuropsychiatric Institute 90024-1759, USA.
authors: S L
authors: SL
authors: Smalley
authors: F
authors: F
authors: Collins
mesh_terms: D001321:Autistic Disorder / Q000209:etiology* / Q000235:genetics / Q000276:immunology; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D011297:Prenatal Exposure Delayed Effects; D012307:Risk Factors; D018433:Twin Studies as Topic