Aboollo, M. F. ., K. M. . Awadallah, T. . Elsharkawy, M. E. Abd Elaziz, and B. A. . Hafez. “Endoscopic Versus Conventional Vein Harvest Technique: Histological and Immunohistochemical Evaluation of Venous Wall Integrity”. The Heart Surgery Forum, vol. 25, no. 4, July 2022, pp. E520-E524, doi:10.1532/hsf.4781.