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. 2021 Aug 17;64(1):71–78. doi: 10.1097/JOM.0000000000002353

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Written work prepared by employees of the Federal Government as part of their official duties is, under the U.S. Copyright Act, a “work of the United States Government” for which copyright protection under Title 17 of the United States Code is not available. As such, copyright does not extend to the contributions of employees of the Federal Government.

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Flow diagram of study participants, stratified by total US Air Force officers and fighter aviators.