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Subjects
- Accidents, Aviation -- statistics & numerical data1
- Age Factors1
- Canada1
- Diet1
- Health Status1
- Military Medicine1
- Military Personnel2
- Military Personnel -- statistics & numerical data2
- Morbidity -- trends1
- Mortality -- trends1
- Nutritive Value1
- Research Design1
- United States[remove]4
- United States. Army.1
- World War II2