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Medicine Health Microbiology Chordopoxvirinae Poxviruses Smallpox Epidemiology Vaccines Cowpox Vaccination Infection Vaccinia | THE YALE JOURNAL OF BIOLOGY AND MEDICINE), A Brief Perspective on the Early History of American Infectious Disease Epidemiology EDWARD H. KASS, M.D., Ph.D.Add to Reading ListSource URL: www.ncbi.nlm.nih.govDownload Document from Source WebsiteFile Size: 1,02 MBShare Document on Facebook |