Koç, Z., and A. 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, vol. 22, no. 2, Nov. 2017, pp. 76-87, https://www.mattioli1885journals.com/index.php/EJOEH/article/view/5003.