Effect of Slow Breathing Exercise on Time Domain Heart Rate Variability in Transfusion Dependent Thalassemic Patients. Bangabandhu Sheikh Mujib Medical Coll J [Internet]. 2023 Oct. 13 [cited 2026 Jun. 30];1(2):65-9. Available from: https://www.banglajol.info/index.php/BSMMCJ/article/view/69338