Berul C I, Milner L, Moriarty K P, Linshaw M
Department of Pediatrics, and Pediatric Surgery, Floating Hospital for Children, New England Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA.
J Pediatr. 1998 Oct;133(4):581. doi: 10.1016/s0022-3476(98)70075-7.