XIE, Fei; ZEMLIN, Christian. Filter Design for Optically Recorded Cardiac Electrical Activity Recorded During Ischemia. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 15, n. 2, p. 310–320, 2014. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/3013. Acesso em: 6 oct. 2025.