Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) D R Prytherch and M S Whiteley and B Higgins and P C Weaver and W G Prout and S J Powell,POSSUM and Portsmouth POSSUM for predicting mortality,Journal of British Surgery,0007-1323,Oxford University Press (OUP),1998-09-01,85,9,1217-1220,https://cir.nii.ac.jp/crid/1363107368276786688,https://doi.org/10.1046/j.1365-2168.1998.00840.x