Choy K W, Wulffraat N M, Wolfs T F, Geelen S P, Kraaijeveld C A, Fleer A
Eijkman-Winkler Institute for Microbiology, Infectious Diseases and Inflammation, University Hospital, Utrecht, The Netherlands.
Pediatr Infect Dis J. 1999 May;18(5):481-3. doi: 10.1097/00006454-199905000-00022.