00323nam a22001217a 4500082001600000100001800016245008600034250001200120260002700132300000900159654001500168700001800183  a617.96bNAG  aNaguib,Khairy  aScoring & grading systems in anaesthesia, intensive care,pain and trauma practice  a2nd Ed.  aHyderabadbParasc2005  a61p.  aAnesthesia  aPatwari,Abhay