The role of computed tomographic angiography in predicting left anterior descending artery graftability when catheter angiography is inconclusive oleh Rami M. Abazid, Osama M. Smetti, Hassan H. Khalaf, Tariq Soomro, Mehboob Ali Dar, Muhammad Tamim, Khaled Farouk, Fazel Ahmed, Mouaz H. Al Mallah