Umer, Daniya, Ghanwa Ellahi, Warda Ellahi, Saba Ayub, and Zia Mohy Ud Din. “Bio-Electrical Impedence Plethysmography-Designing an Efficient Non-Invasive Electrode for Cardiac Rate Analysis”. International Journal of Endorsing Health Science Research 1, no. 1 (July 1, 2013): 29–32. Accessed May 17, 2024. https://aeirc-edu.com/ojs14/index.php/ijehsr/article/view/13.