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MLA Citation
J Avouac et al.. “Effects of oral treatments on exercise capacity in systemic sclerosis related pulmonary arterial hypertension: a meta-analysis of randomised controlled trials.” Annals of the rheumatic diseases, vol. 67, no. 6, 2008, pp. 808–814. http://access.bl.uk/ark:/81055/vdc_100137783517.0x000063