Edward Jenner and his influence on the leaf guard vaccination in Austria.
KAISER
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D049671:History, 18th Century; D049672:History, 19th Century; D012899:Smallpox / Q000266:history*
BIOGRAPHY; HISTORY; SMALLPOX/history
Eduard Jenner und sein Einfluss auf die Blatternschutzimfung in Oesterreich.