title: Continuous positive airway pressure: by nose or mouth?
authors.forename: Michael R
authors.initials: MR
authors.lastname: Littner
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D017286:Polysomnography; D011175:Positive-Pressure Respiration / Q000295:instrumentation* / Q000379:methods*; D020181:Sleep Apnea, Obstructive / Q000628:therapy*