Methotrexate polyglutamates in erythrocytes are associated with lower disease activity in patients with rheumatoid arthritis.
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de Rotte MC, et al. Among authors: de jonge r, de jong ph.
Ann Rheum Dis. 2015 Feb;74(2):408-14. doi: 10.1136/annrheumdis-2013-203725. Epub 2013 Dec 2.
Ann Rheum Dis. 2015.
PMID: 24297383