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Start Over You searched for: Formats Still image Remove constraint Formats: Still image 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 Subjects Health Education Remove constraint Subjects: Health Education Subjects Smallpox -- prevention & control Remove constraint Subjects: Smallpox -- prevention & control Titles Yu fang tian hua, kuai zhong niu dou Remove constraint Titles: Yu fang tian hua, kuai zhong niu dou

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