Wong, Chun Fung, and Merran Govendir. “Can Dog Appeasing Pheromone Ameliorate Stress Behaviours Associated With Anxiety in Mature Domestic Dogs?”. Veterinary Evidence 6, no. 4 (December 14, 2021). Accessed May 19, 2024. https://veterinaryevidence.org/index.php/ve/article/view/421.