Context

Context of Joint WHO/IABS Symposium on the Standardization of Cell Substrates for the Production of Virus Vaccines : proceedings of the 62nd symposium, organized by the World Health Organization and the International Association of Biological Standardization and held at the WHO Auditorium, Geneva, Switzerland, 13-15 Dec. 1976 ; acting editors, F. T. Perkins and R. H. Regamey
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