Kalamara, Evgenia I., Evangelos T. Ballas, Georgia Pitsiou, and Guergana Petrova. “Pulmonary Rehabilitation for Cystic Fibrosis: A Narrative Review of Current Literature”. Monaldi Archives for Chest Disease 91, no. 2 (March 11, 2021). Accessed May 19, 2021. https://monaldi-archives.org/index.php/macd/article/view/1501.