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APA Citation
Albera, C., Costabel, U., Fagan, E. A., Glassberg, M. K., Gorina, E., Lancaster, L., Lederer, D. J., Nathan, S. D., Spirig, D., & Swigris, J. J. (2016). efficacy of pirfenidone in patients with idiopathic pulmonary fibrosis with more preserved lung function. European respiratory journal, 48(3), 843–851. http://access.bl.uk/ark:/81055/vdc_100172016000.0x000099