Renhoran, Cia, and Amalia Cemara Nur’aida. “CALIBRATION AND VALIDATION OF A PORTABLE WEARABLE DEVICE FOR VITAL SIGN MONITORING”. Asian Journal Of Medical Technology 5, no. 2 (November 30, 2025): 57–81. Accessed November 30, 2025. https://ajmedtech.com/index.php/journal/article/view/79.