1. Report of Drs. Avery and Horsfall: Study on the Chemical Nature of the Substance Inducing Transformation of Specific Types of Pneumococcus (Avery and McCarty) Publication: Produced: 17 April 1943 Subject(s): Transformation, GeneticNucleic AcidsSerologyPolysaccharides, Bacterial Archival Collection: The Oswald T. Avery Collection (Profiles in Science)