[August Friedrich Hecker (1763-1811)].
D005858:Germany; D049671:History, 18th Century; D049672:History, 19th Century; D006920:Hygiene / Q000266:history; D012749:Sexually Transmitted Diseases / Q000266:history; D012900:Smallpox Vaccine / Q000266:history
D012900:Smallpox Vaccine
August Friedrich Hecker (1763 bis 1811).