QAWQZEH, Y.; KAYED, L.; OTOOM, M.; ALHARBI, M.; KHAN, F. A. The Investigating of Photoplethysmogram Waveform Amplitude Changes: Aging and Atherosclerosis. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 30, n. 3, p. 126–133, 2016. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6555. Acesso em: 29 apr. 2024.