Vaiyakkani, G., S. Sundaravadanam, G. Harikrishnan, and P. Anandasekar. “Assessment of Platelets in Patients With Pulmonary Hypertension”. International Journal of Advances in Medicine, vol. 8, no. 8, July 2021, pp. 1038-46, doi:10.18203/2349-3933.ijam20212821.