Abdulmajeed, Othman. “Prevention of Hypotension Associated With the Induction Dose of Remifentanil in Open Heart Surgery for Low Ejection Fraction Patients, in Kurdistan Region, Iraq”. Zanco Journal of Medical Sciences (Zanco J Med Sci) 23, no. 2 (August 1, 2019): 274-280. Accessed September 27, 2020. https://zjms.hmu.edu.krd/index.php/zjms/article/view/685.