Muhammad Asim Rana, Mujtaba Hasan Siddiqui, Mohammed Rehan Omar Siddiqui, Muhammad Sohail Khalid, Waseem Iqbal, Mohammad Ahad Qayyum, Rizwan Pervaiz, Muhammad Faisal Munir, M. Muneeb Ullah Saif. “Using Pre-Emptive Therapeutic Anticoagulation in Moderate to Severe Cases of COVID-19 Is Associated With Improved Outcomes”. Pakistan Journal of Medical & Health Sciences, vol. 16, no. 05, June 2022, p. 331, doi:10.53350/pjmhs22165331.