Shakoor, Tariq, et al. “PERI-PROCEDURAL OUTCOME OF SAPHENOUS VEIN GRAFT INTERVENTION”. Journal of Ayub Medical College Abbottabad, vol. 24, no. 3-4, Dec. 2012, pp. 39-42, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/1923.