Not just a country doctor: Edward Jenner, scientist.
Winkelstein
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Department of Biomedical and Environmental Health Sciences, School of Public Health, University of California, Berkeley 94720.
D015605:Cowpox / Q000266:history; D004739:England; D049671:History, 18th Century; D006801:Humans; D012900:Smallpox Vaccine / Q000266:history*
D012900:Smallpox Vaccine