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Start Over Collections Images from the History of Medicine (IHM) ✖Remove constraint Collections: Images from the History of Medicine (IHM) Subjects Smallpox Vaccine -- therapeutic use ✖Remove constraint Subjects: Smallpox Vaccine -- therapeutic use Subjects China ✖Remove constraint Subjects: China Languages Chinese ✖Remove constraint Languages: Chinese Publication Year 1956 ✖Remove constraint Publication Year: 1956

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