M. Habeeb and A. Hilles, “Time in Therapeutic Range (TTR) and the Efficacy of Anticoagulant Therapy in Preventing Thromboembolism in Cardiac Patients Receiving Warfarin at Shifa Medical Complex: A Cross-Sectional Study”, ijirms, vol. 6, no. 10, pp. 739–744, Oct. 2021.