The Transformation of Pneumococcal Types: I. The Conversion of R Forms of Pneumococcus into S Forms of the Homologous Type [and] II. The Interconvertibility of Type-Specific S Pneumococci

The Transformation of Pneumococcal Types: I. The Conversion of R Forms of Pneumococcus into S Forms of the Homologous Type [and] II. The Interconvertibility of Type-Specific S Pneumococci