Oliveira JCM, Silva AS, Beloto ACN de O, Urbano JJ, Oliveira EF, Perez EA, et al. Prevalence of Overlap Syndrome. Obstructive Sleep Apnea in Patients with Chronic Obstructive Pulmonary Disease. A study protocol. mtprehabjournal [Internet]. 2016 Dec. 9 [cited 2024 Nov. 21];:1-7. Available from: https://mtprehabjournal.com/revista/article/view/1079