title: Searching for early signs of autism spectrum disorders.  Researchers seek to identify biomarkers and behaviors to enable earlier diagnosis.
mesh_terms: D001321:Autistic Disorder / Q000175:diagnosis* / Q000235:genetics; D002648:Child; D002659:Child Development Disorders, Pervasive / Q000145:classification; D042241:Early Diagnosis; D004777:Environment; D020022:Genetic Predisposition to Disease; D006801:Humans; D012307:Risk Factors; D014611:Vaccination / Q000009:adverse effects