PT - JOURNAL ARTICLE AU - Finbar O'Shea AU - David Salonen AU - Robert Inman TI - The challenge of early diagnosis in ankylosing spondylitis. DP - 2007 Jan 01 TA - The Journal of Rheumatology PG - 5--7 VI - 34 IP - 1 4099 - http://www.jrheum.org/content/34/1/5.short 4100 - http://www.jrheum.org/content/34/1/5.full SO - J Rheumatol2007 Jan 01; 34