B. Iliev, D. Bonevski, and A. Naumovska, “Epidemiological Characteristics of Major Depression of Hospitalized Patients in Psychiatric Hospital ‘Demir Hisar’ – Demir Hisar for a Five Year Period from 2013 to 2017”, Open Access Maced J Med Sci, vol. 8, no. A, pp. 378–384, May 2020.