Correction: Serum matrix metalloproteinase 3 levels are associated with an effect of iguratimod as add-on therapy to biological DMARDs in patients with rheumatoid arthritis.

Tokai, Nao; Yoshida, Shuzo; Kotani, Takuya; Yoshikawa, Ayaka; Kimura, Yuko; Fujiki, Youhei; Matsumura, Yoko; Takeuchi, Tohru et al. · PLoS One · 2019

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Abstract

[This corrects the article DOI: 10.1371/journal.pone.0202601.].