Pertseva, T.O., Konopkina, L.I. and Huba, I.V. 2016. Peculiarities of mental status in patients with chronic obstructive pulmonary disease in different phases of the pathological process. Medicni perspektivi. 21, 1 (Mar. 2016), 19–23. DOI:https://doi.org/10.26641/2307-0404.2016.1.63456.