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Subjects
- Mutation89
- World War II88
- Genetics, Microbial51
- Recombination, Genetic51
- Cell Culture Techniques47
- Public Health45
- Transformation, Genetic43
- Enzymes40
- Bacteriophages34
- Genes26
- Typhus, Epidemic Louse-Borne26
- Health Care Reform24
- Hospitals, Psychiatric21
- Research21
- Zea mays21
- Lice Infestations20
- Antibodies19
- Research Design19
- Research Support as Topic19
- Chromosome Breakage18