title: Sex ratio of siblings of children diagnosed with autism spectrum disorder.
authors: Department of Genetics, Evolution and Environment, University College London, London, UK.
authors: William H
authors: WH
authors: James
mesh_terms: D000653:Amniotic Fluid / Q000737:chemistry; D001321:Autistic Disorder / Q000175:diagnosis* / Q000453:epidemiology*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D011296:Prenatal Diagnosis; D017678:Sex Distribution; D035781:Siblings; D013739:Testosterone / Q000032:analysis
chemical_list: D013739:Testosterone