Authors: S Black; H Shinefield; B Fireman; E Lewis; P Ray; J R Hansen; L Elvin; K M Ensor; J Hackell; G Siber; F Malinoski; D Madore; I Chang; R Kohberger; W Watson; R Austrian; K Edwards Journal: Pediatr Infect Dis J Date: 2000-03 Impact factor: 2.129