A Vellinga1, P Van Damme, E Joossens, H Goossens. 1. Centre for the Evaluation of Vaccination, Department of Epidemiology, University of Antwerp, 2610 Antwerp, Belgium.
Authors: C Matheï; P Van Damme; P Bruynseels; H Goossens; R Vranckx; A Meheus Journal: Eur J Clin Microbiol Infect Dis Date: 1997-09 Impact factor: 3.267