STUDIES ON BACTERIA DEVELOPING RESISTANCE TO PENICILLIN FRACTIONS X AND G IN VITRO AND IN PATIENTS UNDER TREATMENT FOR BACTERIAL ENDOCARDITIS

^{George Washington Medical Division, Gallinger Municipal Hospital, Washington}

^{Department of Medicine, George Washington University, Washington}

Find articles by Dowling, H. in: JCI | PubMed | Google Scholar

^{George Washington Medical Division, Gallinger Municipal Hospital, Washington}

^{Department of Medicine, George Washington University, Washington}

Find articles by Hirsh, H. in: JCI | PubMed | Google Scholar

^{George Washington Medical Division, Gallinger Municipal Hospital, Washington}

^{Department of Medicine, George Washington University, Washington}

Find articles by O'Neil, C. in: JCI | PubMed | Google Scholar