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Subjects
- Rats[remove]10
- Behavior, Animal4
- Social Behavior2
- Animals, Laboratory1
- Breeding1
- China1
- Communicable Disease Control1
- Competitive Behavior1
- Constriction1
- Dominance-Subordination1
- Estrous Cycle1
- Feeding Behavior1
- Health Education1
- Hypertension -- veterinary1
- Pineal Gland -- surgery1
- Plague -- prevention & control1
- Rodent Control1
- Siphonaptera -- pathogenicity1
- Social Dominance1
- United States1