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Scientific and Humane Issues in the Use of Random Source Dogs and Cats in Research
Siwak-Tapp, C. T., E. Head, B. A. Muggenburg, N. W. Milgram, and C. W. Cotman. 2008. Region specific neuron loss in the aged canine hippocampus is reduced by enrichment. Neurobiology of Aging. 29:39-50.