Erol Ursavas, Figen, and Meryem Catakli. “The Effect of Diaphragmatic Breathing Exercise on Pain, Anxiety, and Depression in Patients Undergoing Total Knee Replacement: A Randomized Controlled Trial”. Annals of Medical Research 27, no. 9 (May 25, 2021): 2408–2413. Accessed July 22, 2024. http://annalsmedres.org/index.php/aomr/article/view/934.