Ayaulym N. Zhamakurova, Dariga S.Smailova, Altai A.Amanbayev, Gulvira T.Magulova. PREVALENCE AND RISK FACTORS OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE. FTML [Internet]. 2023 May 1 [cited 2026 Jul. 18];(2). Available from: https://ojs.scipub.de/index.php/FTML/article/view/1332