PT - JOURNAL ARTICLE AU - SVEN SUEFKE AU - CHRISTIAN STEFAN HAAS TI - A Calcified Gluteal Mass AID - 10.3899/jrheum.081297 DP - 2009 May 01 TA - The Journal of Rheumatology PG - 1083--1083 VI - 36 IP - 5 4099 - http://www.jrheum.org/content/36/5/1083.short 4100 - http://www.jrheum.org/content/36/5/1083.full SO - J Rheumatol2009 May 01; 36