Elameen, S., Salem, A., Abdelgawad, A., El shemy, A., Taha, S. and Abdelsalam, I. 2018. Prevalence of Coronary Artery Lesion(S) in Pati ents Aged 40-50 Years Undergoing Rheumatic Valvular Surgery. European Scientific Journal, ESJ. 14, 6 (Feb. 2018), 363. DOI:https://doi.org/10.19044/esj.2018.v14n6p363.