Schutz, Teresa Cristina Barros, et al. “Comparison of the Effects of Continuous Positive Airway Pressure, Oral Appliance and Exercise Training in Obstructive Sleep Apnea Syndrome”. Clinics, vol. 68, no. 8, Jan. 2013, pp. 1168-74, https://doi.org/10.1590/clin.v68i8.76982.