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Akkoc, N., Akar, S. Standardization is essential for a more rigorous comparison of rates: comment on the reply by Gilgil, Kacar, and Tuncer. Clin Rheumatol 26, 136 (2007). https://doi.org/10.1007/s10067-006-0429-5
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DOI: https://doi.org/10.1007/s10067-006-0429-5