1. The canine as a model of human cognitive aging: recent developments;Adams;Prog. Neuro-Psychopharmacol. Biol. Psychiatry,2000
2. The effects of age: normal variation and its relation to disease;Albert,1992
3. Comparative biology of aging;Austad;J. Gerontol. Biol. Sci. Med. Sci.,2009
4. U.S. Pet Ownership and demographics sourcebook;AVMA,2012
5. Can growth hormone (GH) accelerate aging?;Bartke;Evidence from GH-transgenic mice. Neuroendocrinology.,2003