RT Journal Article SR Electronic T1 Is it time to rethink the urea criterion in CURB-65? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1321 OP 1322 DO 10.1183/09031936.06.00019106 VO 27 IS 6 A1 A. V. Kamath A1 P. K. Myint A1 S. L. Vowler A1 B. D. W. Harrison YR 2006 UL http://erj.ersjournals.com/content/27/6/1321.abstract AB