Comparison of efficacy and safety of paste formulations of firocoxib and phenylbutazone in horses with naturally occurring osteoarthritis - Doucet, M Y; Bertone, A L; Hendrickson, D; Hughes, F; Macallister, C; McClure, S; Reinemeyer, C; Rossier, Y; Sifferman, R; Vrins, A A; White, G; Kunkle, B; Alva, R; Romano, D; Hanson, P D (J Am Vet Med Assoc, 2008)