Patient-Level Tramadol Utilisation In Non-Cancer Pain: Trends And Patterns. Ph.D Completed 2023 Main Supervisor Assessing Adhering, Persistence, Health Related Quality Of Life (Hrqol), And Satisfaction To Oral Anticoagulants (Oacs) Among Patients With Atrial Fibrillation In Tertiary- Care Referral Centers In Malaysia. Ph.D Completed 2022 Main Super