Photoplethysmography as an alternative to impedance cardiography-based hemodynamic feature point detectionMetshein, Margus; Annus, Paul; Abdullayev, Anar; Krivošei, Andrei; Land, Raul; Märtens, Olev2024 19th Biennial Baltic Electronics Conference (BEC)2024 / 5 p https://doi.org/10.1109/BEC61458.2024.10737936 Conference proceedings at Scopus Article at Scopus Article at WOS