EXTRACTION OF MULTIPLE PHYSIOLOGICAL PARAMETERS FROM A SINGLE-CHANNEL PHOTOPLETHYSMOGRAPHIC WAVEFORM USING MACHINE LEARNING. Nigerian Journal of Technology, [S. l.], v. 45, n. 1, p. 192–203, 2026. DOI: 10.4314/njt.v45i1.14. Disponível em: https://mail.nijotech.com/index.php/nijotech/article/view/5675. Acesso em: 9 jun. 2026.