%0 Journal Article %T Outcomes and long-term survival of coronary artery surgery: The controversial role of opium as risk marker %A Abbasali Karimi %A Ali Bozorgi %A Arash Jalali %A Leila Jahangiry %A Mahdi Najafi %A Seyedeh Hamideh Mortazavi %J Archive of "World Journal of Cardiology". %D 2016 %R 10.4330/wjc.v8.i11.676 %K Coronary artery bypass %K Outcomes %K Survival analysis %K Opium %K Hazards models %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5124726/