%0 Journal Article %T Treatment of rheumatoid arthritis in the USA: premature use of tumor necrosis factor inhibition and underutilization of concomitant methotrexate %A J Carter Thorne %A James R O¡¯Dell %A Joel Kremer %A Stanley B Cohen %J Archive of "Open Access Rheumatology : Research and Reviews". %D 2018 %R 10.2147/OARRR.S169152 %X The objective of this study was to assess the treatment for patients with rheumatoid arthritis (RA) in the USA %K biologic %K claims %K methotrexate %K tumor necrosis factor %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6037273/