Klein Melissa D, Schumacher Daniel J, Sandel Megan
Division of General and Community Pediatrics, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.
Department of Pediatric Emergency Medicine, Boston University School of Medicine, Boston, Mass.
Acad Pediatr. 2014 Jan-Feb;14(1):10-3. doi: 10.1016/j.acap.2013.11.001.