TY - STAND AU - T. Hammad AU - A. Margulis AU - Y. Ding AU - M. Strazzeri AU - H. Epperly BT - Pharmacoepidemiol Drug Saf DO - 10.1002/pds.3511 M1 - 11 PY - 2013 SP - 1233 EP - 8 T2 - Pharmacoepidemiol Drug Saf TI - Determining the predictive value of Read codes to identify congenital cardiac malformations in the UK Clinical Practice Research Datalink VL - 22 SN - 1053-8569 ER -