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Start Over Subjects Laboratories -- manpower ✖Remove constraint Subjects: Laboratories -- manpower Subjects Military Medicine ✖Remove constraint Subjects: Military Medicine Subjects United States ✖Remove constraint Subjects: United States Titles Technical report for ✖Remove constraint Titles: Technical report for Languages English ✖Remove constraint Languages: English Dates by Range 1900-1949 ✖Remove constraint Dates by Range: 1900-1949 Publication Year 1940 ✖Remove constraint Publication Year: 1940

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