Studies on Respiratory Diseases: XXI. Electrophoretic Potential and Virulence Of Pneumococci (Types 1, 2, 3 and 4)

Abstract
I. S. Falk, H. A. Gussin, M. A. Jacobson; Studies on Respiratory DiseasesXXI. Electrophoretic Potential and Virulence Of Pneumococci (Types 1, 2, 3 and 4)*, Th