Auler Junior, José Otavio Costa, et al. “ Clinical Evaluation of the Flotrac Vigileo™ System for Continuous Cardiac Output Monitoring in Patients Undergoing Regional Anesthesia for Elective Cesarean Section: A Pilot Study ”. Clinics, vol. 65, no. 8, June 2010, pp. 793-8, https://doi.org/10.1590/S1807-59322010000800009.