Oliveria SA, Johannes CB, Simon TA, Saunders WB, Stang PE. Estimating off label drug use in two pediatric populations using claims data. Poster presented at the 21st ICPE International Conference on Pharmacoepidemiology & Therapeutic Risk Management; August 2005. Nashville, TN. [abstract] Pharmacoepidemiol Drug Saf. 2005 Aug; 14(S 2):S47.