title: An update on PL 94-142.
authors.forename: A
authors.initials: A
authors.lastname: Blake
authors.forename: C M
authors.initials: CM
authors.lastname: Shewan
mesh_terms: D002648:Child; D002675:Child, Preschool; D003147:Communication Disorders / Q000453:epidemiology* / Q000534:rehabilitation; D004519:Education, Special / Q000331:legislation & jurisprudence / Q000706:statistics & numerical data*; D006801:Humans; D014481:United States