Koç, Z., and S. Keskin Kızıltepe. “Determination of Anxiety, Depression, and Life Satisfaction in Lung Cancer Patients”. European Journal of Oncology and Environmental Health, vol. 22, no. 3-4, Mar. 2018, pp. 138-49, https://www.mattioli1885journals.com/index.php/EJOEH/article/view/5991.