American Academy of Sleep Medicine. Practice parameters for the respiratory indications for polysomnography in children - Aurora, R N; Zak, R S; Karippot, A; Lamm, C I; Morgenthaler, T I; Auerbach, S H; Bista, S R; Casey, K R; Chowdhuri, S; Kristo, D A; Ramar, K (Sleep, 2011)