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筛选: 创造者 Bachrach 删除限定条件 创造者: Bachrach 学科 Johns Hopkins University. School of Medicine 删除限定条件 学科: Johns Hopkins University. School of Medicine

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  • William H. Welch

    描述: Portrait of William Henry Welch next to a microscope, with his right hand pointing to the microscope. Photographed by Bachrach. Facsimile signature.
    创建日期: 1911