Immunosurveillance and the evaluation of national immunization programmes: a population-based approach
DE MELKER, H. E., CONYN-VAN SPAENDONCK, M. A. E.Volume:
121
Language:
english
Journal:
Epidemiology and Infection
DOI:
10.1017/s0950268898001587
Date:
December, 1998
File:
PDF, 138 KB
english, 1998