The influence of nasal abnormalities in adherence to continuous positive airway pressure device therapy in obstructive sleep apnea patients. What role does the nose play? - Haddad FL; Vidigal T; Mello-Fujita L; Cintra FD; Gregório LC; Tufik S; Bittencourt LR (Sleep & breathing = Schlaf & Atmung, 2015)