Villar Rodrigo G, Elliott Sean P, Davenport Karen M
Department of Pediatrics and Steele Children's Research Center, University of Arizona Health Sciences Center, 1501 N. Campbell Avenue, Tucson, AZ 85724, USA.
Infect Dis Clin North Am. 2006 Jun;20(2):313-27, ix. doi: 10.1016/j.idc.2006.02.003.