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Risk factors for ANA positivity in healthy persons

Quan-Zhen Li*, David R Karp, Jiexia Quan, Valerie K Branch, Jinchun Zhou, Yun Lian, Benjamin F Chong, Edward K Wakeland and Nancy J Olsen*

Arthritis Research & Therapy 2011, 13:R38  doi:10.1186/ar3271

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