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Start Over Subjects Physicians ✖Remove constraint Subjects: Physicians Subjects Administrative Personnel ✖Remove constraint Subjects: Administrative Personnel Titles [Mission to China group photograph] ✖Remove constraint Titles: [Mission to China group photograph] Genre Congresses ✖Remove constraint Genre: Congresses Copyright Public domain ✖Remove constraint Copyright: Public domain Dates by Range 1950-1999 ✖Remove constraint Dates by Range: 1950-1999

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