Elameen, Sameh, Alsayed Salem, Ahmed Abdelgawad, Ahmed El shemy, Saber Taha, and Islam Abdelsalam. “Prevalence of Coronary Artery Lesion(S) in Pati Ents Aged 40-50 Years Undergoing Rheumatic Valvular Surgery”. European Scientific Journal, ESJ 14, no. 6 (February 28, 2018): 363. Accessed May 5, 2024. https://eujournal.org/index.php/esj/article/view/10538.