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Subjects
- United States46
- Japan28
- World War II25
- Recombination, Genetic17
- Public Health14
- Military Medicine -- education12
- Military Personnel12
- Mutation11
- Genes9
- Military Personnel -- education9
- Military Medicine8
- Bacteriophages7
- Enzymes6
- Genetics, Microbial5
- Legislation, Medical5
- Nuclear Warfare5
- Nuclear Weapons5
- Public Health Administration5
- Germany4
- Hawaii4