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Subjects
- United States52
- Mutation45
- Zea mays36
- Libraries, Medical33
- Suppression, Genetic23
- Recombination, Genetic19
- Gene Expression Regulation17
- Military Medicine -- history17
- Genes, Plant16
- Warfare15
- Crossing Over, Genetic14
- National Library of Medicine (U.S.)13
- Enzymes12
- Genetics, Microbial12
- Armed Forces Medical Library (U.S.)11
- Chromosomes11
- DNA9
- Hypertension9
- Library Services9
- Military Medicine9