Anna Marie Aman KuKanich, B., Lascelles, B. D. X., Aman, A. M., Mealey, K. L., & Papich, M. G. (2005). The effects of inhibiting cytochrome P450 3A, p-glycoprotein, and gastric acid secretion on the oral bioavailability of methadone in dogs. JOURNAL OF VETERINARY PHARMACOLOGY AND THERAPEUTICS, 28(5), 461–466. https://doi.org/10.1111/j.1365-2885.2005.00681.x