PT - JOURNAL ARTICLE AU - Schuppan, D AU - Freitag, T TI - Fistulising Crohn’s disease: MMPs gone awry AID - 10.1136/gut.2003.034207 DP - 2004 May 01 TA - Gut PG - 622--624 VI - 53 IP - 5 4099 - http://gut.bmj.com/content/53/5/622.short 4100 - http://gut.bmj.com/content/53/5/622.full SO - Gut2004 May 01; 53