Additional file 1.

The definition of the cumulative dose of each medication. Figure showing the cumulative dose of each medication, which was defined as the accumulated area under the curve (AUC) from the time of drug initiation to the time of liver stiffness measurement (LSM) during interval follow-up days.

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Lee et al. Arthritis Research & Therapy 2012 14:R232   doi:10.1186/ar4075