Winston Flaura K, McDonald Catherine C, McGehee Daniel V
Center for Injury Research and Prevention, Children's Hospital of Philadelphia, Pennsylvania2Division of General Pediatrics, Perelman School of Medicine at the University of Pennsylvania School of Medicine, Philadelphia3Leonard David Institute for Health Economics, Perelman School of Medicine at the University of Pennsylvania School of Medicine, Philadelphia.
JAMA Pediatr. 2013 Oct;167(10):892-4. doi: 10.1001/jamapediatrics.2013.2315.