Fleming، J.M.؛ Creevy، K.E.؛ Promislow، D.E.L. (مارس 2011). "Mortality in North American Dogs from 1984 to 2004: An Investigation into Age-, Size-, and Breed-Related Causes of Death". Journal of Veterinary Internal Medicine. ج. 25 ع. 2: 187–198. DOI:10.1111/j.1939-1676.2011.0695.x. PMID:21352376.
Fleming، J.M.؛ Creevy، K.E.؛ Promislow، D.E.L. (مارس 2011). "Mortality in North American Dogs from 1984 to 2004: An Investigation into Age-, Size-, and Breed-Related Causes of Death". Journal of Veterinary Internal Medicine. ج. 25 ع. 2: 187–198. DOI:10.1111/j.1939-1676.2011.0695.x. PMID:21352376.