PT - JOURNAL ARTICLE AU - Norman-Philipp Hoff AU - Peter Arne Gerber TI - Pyoderma gangrenosum associated with chronic polyarthritis AID - 10.1503/cmaj.110679 DP - 2011 Oct 18 TA - Canadian Medical Association Journal PG - 1746--1746 VI - 183 IP - 15 4099 - http://www.cmaj.ca/content/183/15/1746.short 4100 - http://www.cmaj.ca/content/183/15/1746.full SO - CMAJ2011 Oct 18; 183