THE RELATION OF CIRCULATING ANTIPNEUMOCOCCAL IMMUNE SUBSTANCES TO THE COURSE OF LOBAR PNEUMONIA III. INJECTED IMMUNE SUBSTANCES (ANTIPNEUMOCOCCUS SERUM, TYPES I AND II)

^{Department of Medicine and the Douglas Smith Foundation for Medical Research of the University of Chicago, Peiping, China}

^{Peiping Union Medical College, Peiping, China}

^{Hospital of the Rockefeller Institute, New York}

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^{Department of Medicine and the Douglas Smith Foundation for Medical Research of the University of Chicago, Peiping, China}

^{Peiping Union Medical College, Peiping, China}

^{Hospital of the Rockefeller Institute, New York}

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^{Department of Medicine and the Douglas Smith Foundation for Medical Research of the University of Chicago, Peiping, China}

^{Peiping Union Medical College, Peiping, China}

^{Hospital of the Rockefeller Institute, New York}

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^{Department of Medicine and the Douglas Smith Foundation for Medical Research of the University of Chicago, Peiping, China}

^{Peiping Union Medical College, Peiping, China}

^{Hospital of the Rockefeller Institute, New York}

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