?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Theocharidou%2C+E&rft.aufirst=E&rft.aulast=Theocharidou&rft.atitle=The+Royal+Free+Hospital+score%3A+a+calibrated+prognostic+model+for+patients+with+cirrhosis+admitted+to+intensive+care+unit.+Comparison+with+current+models+and+CLIF-SOFA+score&rft.volume=109&rft.date=April+2014&rft.issue=4&rft.pages=554+-+562&rft.issn=0002-9270&rft.title=Am+J+Gastroenterol&rft.genre=article