@incollection{, 17A868CEA99550C0B6160A2ADC5C8F5D , author={{SUNILKUMAR} and {Guru Teg Bahadur Hospital and University College of Medical Sciences}}, journal={{Global Journal of Medical Research}}, journal={{GJMR}}2249-46180975-588810.34257/GJMR, address={Cambridge, United States}, publisher={Global Journals Organisation}133711 } @incollection{b0, , title={{POSSUM: a scoring system for surgical audit}} , author={{ GPCopeland } and { DJones } and { MWalters }} , journal={{Br J Surg}} 78 , year={1991} } @incollection{b1, , title={{Comparative audit of colorectal resection with the POSSUM scoring system}} , author={{ MSWhiteley } and { DRPrytherch } and { BHiggins } and { PCWeaver } and { WGProut }} , journal={{Br J Surg}} 82 , year={1992} } @incollection{b2, , title={{Risk stratification in vascular patients using modified POSSUM scoring system}} , author={{ MMidwinter } and { SAshley }} , journal={{Br J Surg}} 84 A568 , year={1997} } @incollection{b3, , title={{An evaluation of POSSUM surgical scoring system}} , author={{ MSWhiteley } and { DRPrytherch } and { BHiggins } and { PCWeaver } and { WGProut }} , journal={{Br J Surg}} 83 , year={1996} } @incollection{b4, , title={{POSSUM and P-POSSUM for riskadjusted audit of patients undergoing emergency laparotomy}} , author={{ RSMohil } and { DBhatnagar } and { LBahadur } and { Rajneesh } and { DKDev } and { MMagan }} , journal={{Br J Surg}} 91 , year={2004} } @incollection{b5, , title={{Comparison of POSSUM and Portsmouth predictor equation for predicting death following vascular surgery}} , author={{ LDWijesinghe } and { TMahmood } and { DjaScott } and { DCBerridge } and { PJKent } and { RCKester }} , journal={{Br J Surg}} 85 , year={1998} } @incollection{b6, , title={{Cardiovascular risk factors in patients with peripheral vascular disease}} , author={{ MCooperman } and { BPflug } and { EWMartinJr } and { WEEvans }} , journal={{Surgery}} 84 5059 , year={1978} } @incollection{b7, , title={{Cardiovascular risk factors in patients for vascular surgery}} , author={{ CMDomaingue } and { MJDavis } and { KDCronin }} , journal={{Anaesth Intensive Care}} 10 , year={1982} } @incollection{b8, , title={{A protein energy malnutrition scale (PEMS)}} , author={{ BSLinn }} , journal={{Ann Surg}} 200 , year={1984} } @incollection{b9, , title={{Influence of age on mortality of colon surgery}} , author={{ AGGreenburg } and { RPSaik } and { DPridham }} , journal={{Am J Surg}} 150 , year={1985} } @incollection{b10, , title={{Risk factors in perforated peptic ulcer disease: comparison of a new score system with Mannheim Peritonitis Index}} , author={{ GAltaca } and { ISayek } and { DOnat } and { MCakmakci } and { SKamiloglu }} , journal={{Eur J Surg}} 158 , year={1992} } @incollection{b11, , title={{APACHE-II: a severity of disease classification system}} , author={{ WAKnaus } and { EADraper } and { DPWagner } and { JEZimmerman }} , journal={{Crit Care Med}} 13 , year={1985} } @incollection{b12, , title={{The POSSUM system of surgical audit}} , author={{ GPCopeland }} , journal={{Arch Surg}} 137 , year={2002} } @incollection{b13, , title={{Risk adjusted analysis of surgeon performance: a 1-year study}} , author={{ GPCopeland } and { PSagar } and { JBrennan } and { GRoberts } and { JWard } and { PCornford }} , journal={{Br J Surg}} 82 , year={1995} } @incollection{b14, , title={{Comparative audit of colorectal resection with POSSUM scoring system}} , author={{ PMSagar } and { MNHartley } and { BManeey-Jones } and { PCSedman } and { JMay } and { JMacfie }} , journal={{Br J Surg}} 81 , year={1994} } @incollection{b15, , title={{An evaluation of the POSSUM surgical scoring system}} , author={{ MJMidwinter } and { SAshley }} , journal={{Br J Surg}} 83 1653 , year={1996} , note={letter} } @incollection{b16, , title={{POSSUM and Portsmouth POSSUM for predicting mortality}} , author={{ DRPrythererch } and { MSWhiteley } and { BHiggins } and { PCWeaver } and { WGProut } and { SGPowell }} , journal={{Br J Surg}} 85 , year={1998} } @incollection{b17, , title={{An evaluation of POSSUM surgical scoring system}} , author={{ BSMcilroy } and { GPCopeland }} , journal={{Br J Surg}} 83 , year={1996} } @book{b18, , title={{The Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity}} , author={{ WDNeary } and { BPHeather } and { JJEarnshaw }} , publisher={POSSUM} } @incollection{b19, , title={{}} , journal={{Br J Surg}} 90 , year={2003} }