D. Rathish, R. P. V. Jayanthe Rajapakse, and K. G. A. Kosala Gayan Abeysundara Dissanayake Weerakoon, “Dogs, Mental Stress and the Human Heart: Role of Cortisol and Neuropeptide Y”, Int. J. Hum. Health Sci., vol. 7, no. 1, pp. 15–19, Jan. 2023.