American Academy of Sleep Medicine, Practice parameters for the use of continuous and bilevel positive airway pressure devices to treat adult patients with sleep-related breathing disorders - Littner, M R; Hirshkowitz, M; Morgenthaler, T I; Alessi, C A; Bailey, D; Boehlecke, B; Brown, T M; Coleman, J, Jr; Friedman, L; Kapen, S; Kapur, V K; Kramer, M; Lee-Chiong, T; Owens, J; Pancer, J P; Swick, T J; Wise, M S (Sleep, 2006)