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筛选: 采集 Historical Images In Medicine 删除限定条件 采集: Historical Images In Medicine 学科 Pavlov, Ivan Petrovich, 1849-1936 删除限定条件 学科: Pavlov, Ivan Petrovich, 1849-1936

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  • I. Pavlov

    描述: Pavlov, in a dark pinstriped suit, with his arms crossed. Facsimile signature. Text in Russian. Numbered 10493.
    创建日期: undated

  • Ivan Petrovich Pavlov

    描述: Portrait of Ivan Pavlov, who developed the concept of the conditioned reflex action.
    创建日期: undated