Alharbi, S. A., I. A. Shaeri, S. S. Alharith, S. S. Almutairi, A. N. Aljaafari, N. F. Alshahrani, N. H. Alalhareth, S. A. Alshahrani, A. J. Alsomali, M. Y. Aldhaeefi, and G. M. Hakami. “Exercise Testing and Risk Assessment of Pulmonary Hypertension”. International Journal Of Community Medicine And Public Health, vol. 10, no. 10, Sept. 2023, pp. 3926-30, doi:10.18203/2394-6040.ijcmph20233134.