TY - STAND AU - K. Hagberg AU - S. Jick BT - Clin Epidemiol DO - 10.2147/clep.s139107 PY - 2017 SP - 475 EP - 482 T2 - Clin Epidemiol TI - Validation of autism spectrum disorder diagnoses recorded in the Clinical Practice Research Datalink, 1990-2014 VL - 9 SN - 1179-1349 (Print) 1179-1349 ER -