NORBERT, Stubán,; NIWAYAMA, Masatsugu,. Non-invasive calibration method for pulse oximeters. Periodica Polytechnica Electrical Engineering, [S. l.], v. 52, n. 1-2, p. 91–94, 2008. 10.3311/pp.ee.2008-1-2.11. Disponível em: https://pp.bme.hu/ee/article/view/859. Acesso em: 2 may. 2024.