TY - JOUR T1 - Effects of cerebral oxygen changes during coronary bypass surgery on postoperative cognitive dysfunction in elderly patients: a pilot study JO - Revista Brasileira de Anestesiologia A1 - Şahan, Cenk A1 - Sungur, Zerrin A1 - Çamcı, Emre A1 - Sivrikoz, Nükhet A1 - Sayin, Ömer A1 - Gurvit, Hakan A1 - Şentürk, Mert SN - 0034-7094 UL - 10.1016/j.bjane.2017.10.006 VL - 68 Y1 - 2018 PB - Brasil ER -