TY - JOUR T1 - Cervical computed tomography in patients with obstructive sleep apnea: influence of head elevation on the assessment of upper airway volume JO - Jornal Brasileiro de Pneumologia A1 - Souza, Fábio José Fabrício de Barros A1 - Evangelista, Anne Rosso A1 - Silva, Juliana Veiga A1 - Périco, Grégory Vinícius A1 - Madeira, Kristian SN - 1806-3713 UL - 10.1590/S1806-37562016000000092 VL - 42 Y1 - 2016 PB - Brasil ER -