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Differences in disability as measured by the Health Assessment Questionnaire between patients with and without digital ulcers in systemic sclerosis: a post hoc analysis of pooled data from two randomised controlled trials in digital ulcers using bosentan

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  • Funding Data for this study were from the RAPIDS-1 and RAPIDS-2 trials funded by Actelion Pharmaceuticals Ltd.

  • Competing interests JP has received payment from Actelion Pharmaceuticals Ltd for consultancy.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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