00357nas a2200121   4500000000100000008004100001100001500042700001200057245011600069300001200185490000600197022003200203       2017                            d1 aK. Hagberg1 aS. Jick00aValidation of autism spectrum disorder diagnoses recorded in the Clinical Practice Research Datalink, 1990-2014  a475-4820 v9  a1179-1349 (Print) 1179-1349