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- Publication:
- Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
- Subject(s):
- Cats
Aggression -- physiology
Emotions -- physiology
Facial Expression
- Publication:
- Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
- Subject(s):
- Dogs
Aggression -- physiology
Emotions -- physiology
Facial Expression
- Publication:
- Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
- Subject(s):
- Aggression -- physiology
Emotions -- physiology
Facial Expression
- Publication:
- Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
- Subject(s):
- Birds -- physiology
Behavior, Animal
Aggression -- physiology
Emotions -- physiology
