Koç, Zeliha, and Asuman Şener. “Distress Symptoms, Anxiety, Depression Level, and Self-Care Ability of Oncology Inpatients in a Region of Turkey”. European Journal of Oncology and Environmental Health 22, no. 2 (November 17, 2017): 76–87. Accessed December 6, 2021. https://www.mattioli1885journals.com/index.php/EJOEH/article/view/5003.