“FOR HYPERTENSIVE PATIENTS, A REMOTE HRV (HEART RATE VARIABILITY) MONITORING SYSTEM BASED ON IOT (INTERNET OF THINGS) IS NEEDED” (2020) International Journal of Information Technology and Computer Engineering, 8(4), pp. 1–5. Available at: https://ijitce.org/index.php/ijitce/article/view/166 (Accessed: 3 July 2025).