Reassessment of inactivated poliomyelitis vaccine : IABS symposium held on 24-27 June 1980 in the Rijksinstituut voor de Volksgezondheid, Bilthoven, the Netherlands / edited by the International Association of Biological Standardization ; acting editors, W. Hennessen, A. L. van Wezel. (Developments in biological standardization ; v. 47)
Reassessment of inactivated poliomyelitis vaccine : IABS symposium held on 24-27 June 1980 in the Rijksinstituut voor de Volksgezondheid, Bilthoven, the Netherlands / edited by the International Association of Biological Standardization ; acting editors, W. Hennessen, A. L. van Wezel.
(Developments in biological standardization ; v. 47)