TY - JOUR T1 - Retraction notice for: “Comparison of Arndt-endobronchial blocker plus laryngeal mask airway with left-sided double-lumen endobronchial tube in one-lung ventilation in thoracic surgery in the morbidly obese” [Braz J Med Biol Res (2018) 51(2): e6825] JO - Brazilian Journal of Medical and Biological Research SN - 0100-879X UL - 10.1590/1414-431X20176825retraction VL - 51 Y1 - 2018 PB - Brazil ER -