1.
Szaj W, Wojnarowska W, Pajdo B. First Evaluation of the PTN-104 Plethysmographic Sensor for Heart Rate Measurement. MSR [Internet]. 2021 Sep. 17 [cited 2025 Apr. 3];21(5):117-22. Available from: https://journals.savba.sk/index.php/msr/article/view/1803