Difference in GFAP Levels in POCD and Non-POCD Patients After on Pump CABG Categories: Cardiopulmonary Bypass and the Brain Author: Chandra Hermawan Manapa, Cindy Elfira Boom, Dodik Tugasworo, Suharyo Hadisaputro, Taufan Pramadika, Widya Istanto Nurcahyo, Zainal Muttaqin