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, p. 331, Jun. 2022.