References

McCarthy G, O'Donovan J, Jones B, McAllister H, Seed M, Mooney C. Randomised double-blind, positive-controlled trial to assess the efficacy of glucosamine/ chondroitin sulfate for the treatment of dogs with osteoarthritis. The Veterinary Journal. 2007; 174: 54-61.

PennVet Canine Brief Pain Inventory (Canine

BPI). 2013. Online at: http://www.vet.upenn. edu/research/clinical-trials/vcic/pennchart/ cbpi-tool accessed 25 May 2017.