Adwan, Hayel Al, Ashraf Fadel, Yanal F. Al Naser, Abdallah Al Qaysi, Rami Qsous, and Ahmad Omar Al-issa R. N. 2017. “Prevalence of Co-Morbidities Among Adult Patients Presented for Open Heart Surgery and the Implication on Convalescence Period”. International Journal of Advances in Medicine 4 (1):1-5. https://doi.org/10.18203/2349-3933.ijam20170092.