Le D, Nguyen T, Phan N, Thai Q. A new method of electrodes placement to improve QRS detection in real-time stress ECG acquisition. Science and Technology Development Journal [Internet]. 30Jun.2015 [cited 23Dec.2024];18(2):159-63. Available from: http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1088