Pronk M J H, Pelger R C M, Baranski A G, van Dam A, Arend S M
Department of Infectious Diseases C5P-39, Leiden University Medical Center, P.O. Box 9600, 2300, RC Leiden, The Netherlands.
Eur J Clin Microbiol Infect Dis. 2006 Apr;25(4):270-1. doi: 10.1007/s10096-006-0128-9.