1. Fred M. Henretig and Kevin C. Osterhoudt are with the Division of Emergency Medicine and The Poison Control Center, Children’s Hospital of Philadelphia, Philadelphia, PA. Fred M. Henretig is also with the Leonard Davis Institute of Health Economics, University of Pennsylvania. Diane P. Calello is with the Department of Emergency Medicine, Rutgers New Jersey Medical School and the New Jersey Poison Information and Education System, Newark. Michele M. Burns is with the Division of Pediatric Emergency...