Hoberman A, Paradise J L, Block S, Burch D J, Jacobs M R, Balanescu M I
Department of Pediatrics, University of Pittsburgh School of Medicine, PA, USA. alejo+@pitt.edu
Pediatr Infect Dis J. 1996 Oct;15(10):955-62. doi: 10.1097/00006454-199610000-00034.