Saslow J G, Lee P, Braunschweig M A, Grosso M A, Courtney S E
Department of Pediatrics, Robert Wood Johnson Medical School, Children's Regional Hospital, Cooper Hospital/University Medical Center, Camden, NJ, USA.
Arch Pediatr Adolesc Med. 1997 Mar;151(3):313-4. doi: 10.1001/archpedi.1997.02170400099018.