Methotrexate and folic acid supplementation in rheumatoid arthritis: A Japanese claims database and 538,985 patients from April 2015 to November 2020
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Objectives: To assess the use of laboratory monitoring, folic acid supplementation, and folinate calcium therapy in patients with rheumatoid arthritis (RA) receiving first-line methotrexate (MTX) according to the 2019 Japan Colle... ...
