EXTRACTION OF MULTIPLE PHYSIOLOGICAL PARAMETERS FROM A SINGLE-CHANNEL PHOTOPLETHYSMOGRAPHIC WAVEFORM USING MACHINE LEARNING. Nigerian Journal of Technology, [S. l.], v. 45, n. 1, 2026. DOI: 10.4314/njt.2026.5675. Disponível em: https://www.nijotech.com/index.php/nijotech/article/view/5675. Acesso em: 23 mar. 2026.