Uddin MJ, Ali M, Islam K, Choudhary A, Salam M, Rahman M, et al. Chronic total occlusions (CTO) in the field of Percutaneous Coronary interventions (PCI) is a challenge- the result of initial 25 cases. Nepalese Heart J. [Internet]. 2004 Dec. 30 [cited 2025 Jan. 31];3(3):27. Available from: https://nepjol.info/index.php/NHJ/article/view/26079