University of Pennsylvania. Thirty-first Report of the Henry Phipps Institute for the study, treatment and prevention of tuberculosis 1944, 1946.
Citace podle Chicago (17th ed.)University of Pennsylvania. Thirty-first Report of the Henry Phipps Institute for the Study, Treatment and Prevention of Tuberculosis 1944, 1946.
Citace podle MLA (8th ed.)University of Pennsylvania. Thirty-first Report of the Henry Phipps Institute for the Study, Treatment and Prevention of Tuberculosis 1944, 1946.
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