Irfan, Muhammad, Shah Zeb, and Kaleem Ullah Bacha. “PULMONARY EMBOLISM RISK FACTORS, PRESENTATION AND MANAGEMENT: A CROSS SECTIONAL STUDY”. Pakistan Heart Journal 52, no. 1 (July 1, 2019). Accessed November 22, 2024. https://pakheartjournal.com/index.php/pk/article/view/1747.