RT Journal Article SR Electronic T1 A life-threatening sign, gas in the kidney is produced by bacteria: bilateral emphysematous pyelonephritis JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 356 OP 356 DO 10.1136/emj.2008.062737 VO 26 IS 5 A1 J S You A1 S Park A1 Y E Chung A1 S P Chung YR 2009 UL http://emj.bmj.com/content/26/5/356.abstract AB