FRENCH, R C Improvements in the tissue culture safety testing of Salk vaccines. [electronic resource] - Canadian journal of microbiology Oct 1959 - 453-9 p. digital Publication Type: Journal Article ISSN: 0008-4166 Standard No.: 10.1139/m59-056 doi Subjects--Topical Terms: Poliomyelitis--immunologyPoliovirus Vaccine, Inactivated