title: When does autism start?
authors: Claudia
authors: C
authors: Kalb
mesh_terms: D000367:Age Factors; D001321:Autistic Disorder / Q000175:diagnosis* / Q000628:therapy; D035843:Biomedical Research / Q000639:trends; D002675:Child, Preschool; D019988:Children with Disabilities / Q000523:psychology*; D042241:Early Diagnosis; D005260:Female; D006801:Humans; D008297:Male; D014481:United States