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Start Over Subjects Military Personnel ✖Remove constraint Subjects: Military Personnel Subjects United States ✖Remove constraint Subjects: United States Subjects Aerospace Medicine ✖Remove constraint Subjects: Aerospace Medicine Authors Mayo Aero Medical Unit, author. ✖Remove constraint Authors: Mayo Aero Medical Unit, author. Authors Baldes, E. J. (Edward James), 1898- author ✖Remove constraint Authors: Baldes, E. J. (Edward James), 1898- author Titles Studies in aviation medicine ✖Remove constraint Titles: Studies in aviation medicine Copyright Public domain ✖Remove constraint Copyright: Public domain

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