Folstein, S E Autism: familial aggregation and genetic implications. [electronic resource] - Journal of autism and developmental disorders Mar 1988 - 3-30 p. digital Publication Type: Journal Article; Review ISSN: 0162-3257 Standard No.: 10.1007/BF02211815 doi Subjects--Topical Terms: Autistic Disorder--complicationsChildChild, PreschoolCognition Disorders--geneticsFemaleFragile X SyndromeGenetic CounselingHumansInfantIntellectual Disability--complicationsMaleNeurofibromatosis 1--complicationsPedigreePhenylketonurias--complicationsTuberous Sclerosis--complicationsTwins