Tabassum, Rehnuma, Noorzahan Begum, Sultana Ferdousi, Shelina Begum, and Taskina Ali. “Heart Rate Variability in Patients With Essential Hypertension”. Journal of Bangladesh Society of Physiologist 5, no. 1 (July 7, 2010): 1–7. Accessed November 22, 2024. https://banglajol.info/index.php/JBSP/article/view/5411.