Fig. 1From: Development and validation of the Methotrexate Experience Questionnaire, a new methotrexate oral treatment adherence tool in rheumatoid arthritisConceptual model of the possible barriers specific to MTX adherence. In red, barriers to adherence reported by patients when talking about both injected and oral MTX, in black, barriers to adherence reported by patients when talking about oral MTX only, and in blue, barriers to adherence reported by patients when talking about injected MTX onlyBack to article page