Cognitive Function, Progression of Age-related Behavioral Changes, Biomarkers, and Survival in Dogs More Than 8 Years Old.
J Vet Intern Med. 2015 Nov-Dec;29(6):1569-77. doi: 10.1111/jvim.13633. Epub 2015 Oct 13.
J Vet Intern Med. 2015.
PMID: 26463980
Free PMC article.