PT - JOURNAL ARTICLE AU - DAVID FRASER AU - STEPHEN BOYLE AU - NICOLE AMFT TI - Perianal Crohn Disease after Treatment with Rituximab for Active Granulomatosis with Polyangiitis AID - 10.3899/jrheum.160456 DP - 2016 Dec 01 TA - The Journal of Rheumatology PG - 2199--2200 VI - 43 IP - 12 4099 - http://www.jrheum.org/content/43/12/2199.1.short 4100 - http://www.jrheum.org/content/43/12/2199.1.full SO - J Rheumatol2016 Dec 01; 43