Materko, Wollner, Rhenan Bartels, Gabriel Casulari Motta-Ribeiro, Agnaldo José Lopes, Jurandir Nadal, and Alysson Roncally SilvaCarvalho. “INFLUENCE OF THE RESPIRATORY SIGNAL IN HEART RATE VARIABILITY ANALYSIS IN THE RESPIRATORY PATTERN IN HEALTHY ELDERLY AND WITH COPD”. International Journal of Engineering Technologies and Management Research 5, no. 10 (October 31, 2018): 1–8. Accessed March 29, 2024. https://www.granthaalayahpublication.org/ijetmr-ojms/ijetmr/article/view/01_IJETMR18_A10_529.