Ali, K., Omer, S., & Abdalla, R. (2019). NON INVASIVE DIAGNOSIS AND ASSESSMENT OF THE SEVERITY OF PULMONARY HYPERTENSION IN PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE. JOURNAL OF SULAIMANI MEDICAL COLLEGE, 9(1), 1-10. https://doi.org/10.17656/jsmc.10184