Carpentieri David F, Wherli Suzanne, Pawel Barbara, Henretig Frederick M, Drott Henry R
Departments of Pathology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.
Pediatr Emerg Care. 2003 Jun;19(3):178-80. doi: 10.1097/01.pec.0000081237.98249.a4.