Tawfiq, N. B., & Abdulrdha, M. F. (2015). Impact of Preoperative Risk Factors upon Duration of Intubation for Cardiosurgery Patients in Ibn-Al-Bettarcenter. Kufa Journal for Nursing Sciences, 5(2), 141–149. https://doi.org/10.36321/kjns.vi20152.2597