Search Results       Your search for [author]Cohen, Hans Herman, returned 1 record.           Proceedings of the 37th symposium organized by the International Association of Biological Standardization and held at the Rijks Instituut voor de Volksgezondheid, Bilthoven, The Netherlands, 11-13 October 1972. by Cohen, Hans Herman,; Basel: S. Karger, 1973. Subject: Smallpox vaccine -- Congresses.          Add to Book Cart Relevance: 21.94%