Elameen, Sameh, Alsayed Salem, Ahmed Abdelgawad, Ahmed El shemy, Saber Taha, and Islam Abdelsalam. 2018. “Prevalence of Coronary Artery Lesion(S) in Pati Ents Aged 40-50 Years Undergoing Rheumatic Valvular Surgery”. European Scientific Journal, ESJ 14 (6), 363. https://doi.org/10.19044/esj.2018.v14n6p363.