title: Genetic influences and infantile autism.
mesh_terms: D001321:Autistic Disorder / Q000150:complications / Q000209:etiology / Q000235:genetics*; D001720:Birth Injuries / Q000150:complications; D001930:Brain Injuries / Q000150:complications; D002648:Child; D003072:Cognition Disorders / Q000150:complications / Q000235:genetics; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D012744:Sex Ratio; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic