Blom-Bülow , B. ., Fridriksson , H. ., & Herbai , G. . (1980). Improvement of Lung Function in a Scleroderma Patient Treated for 12 Months with Cyclofenil. Upsala Journal of Medical Sciences, 85(1), 67–73. https://doi.org/10.3109/03009738009179173