PT - JOURNAL ARTICLE AU - DUCK-AN KIM AU - THINK-YOU KIM TI - Low Level (Below Cutoff) of Anti-Cyclic Citrullinated Peptide Test Results in Diagnosis of Rheumatoid Arthritis in a High-risk Population AID - 10.3899/jrheum.090555 DP - 2010 Jan 01 TA - The Journal of Rheumatology PG - 208--208 VI - 37 IP - 1 4099 - http://www.jrheum.org/content/37/1/208.short 4100 - http://www.jrheum.org/content/37/1/208.full SO - J Rheumatol2010 Jan 01; 37