1. Andrade, L.A.K.D.: Sistema de medição para oximetria de pulso. Master’s thesis, Universidade Tecnológica Federal do Paraná (2009)
2. Merry, A.F., Eichhorn, J.H., Wilson, I.H.: Anaesthesia. J. Assoc. Great Br. Irel. (2009)
3. Haynes, A.B., Weiser, T.G., Berry, W.R., Lipsitz, S.R., et al.: A surgical safety checklist to reduce morbidity and mortality in a global population. New Engl. J. Med. (2009)
4. Moyle, J.T.B.: Pulse Oximetry, 2nd ed. BMJ, London (2002)
5. Valdez-Lowe, C., Ghareeb, S.A., Artinian, N.T.: Pulse oximetry in adults. AJN, Am. J. Nurs. (2009)