PT - JOURNAL ARTICLE ED - , TI - Correction: <em>Abatacept in combination with methotrexate in Japanese biologic-naive patients with active rheumatoid arthritis: a randomised placebo-controlled phase IV study</em> AID - 10.1136/rmdopen-2018-000813corr1 DP - 2019 Dec 01 TA - RMD Open PG - e000813corr1 VI - 5 IP - 2 4099 - http://rmdopen.bmj.com/content/5/2/e000813corr1.short 4100 - http://rmdopen.bmj.com/content/5/2/e000813corr1.full SO - RMD Open2019 Dec 01; 5