The Effect of Penicillin on Multiplying and Nonmultiplying Populations of Sensitive and Resistant Strains of Feline Pneumonitis Virus

Abstract
James W. Moulder, Julio I. Colón, Jacqueline Ruda, Marian M. Zebovitz; The Effect of Penicillin on Multiplying and Nonmultiplying Populations of Sensitive and