Maruf, M. F., Hosain, S. N., Hassan, M. K., Khan, Z. H., Chowdhury, A. A., Akter, T., Karim, R., & Ahsan, N. K. (2009). Off-Pump Coronary Artery Bypass Graft (OPCABG) Surgery in Patients with Left Main Coronary Artery Stenosis: Analysis of Experience in 145 Patients. Bangladesh Medical Journal, 37(2), 46–49. https://doi.org/10.3329/bmj.v37i2.3592