study of correlation of glasgow coma score and bispectral index in mild and moderate traumatic brain injuries     feizi a [1] , jarineshin h* [2] , estabragnia h [3] , mahoori a [4] , khalkhali h [5] , sattari s [6]     received: 3july, 2011 accepted: 23september, 2011     abstract   background & aims : it is important to monitor the state of consciousness in patients suffering from traumatic b...