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. 2014 Aug 22;16(4):420. doi: 10.1186/s13075-014-0420-5

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© Zhang et al.; licensee BioMed Central Ltd. 2014

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Detailed schematic of therapy changes in oral nonbiologic DMARD patients and in MTX. ^aThis refers to oral nonbiologic DMARD users. ^bMTX users are a subgroup of the oral nonbiologic DMARD users. ^cThese categories presented are not mutually exclusive. ^dThese categories presented are not mutually exclusive. ^eThese categories presented are not mutually exclusive. DMARD, disease-modifying antirheumatic drug; MTX, methotrexate.