Swiss Medical Weekly. “Supplementum 163: Annual Joint Meeting of the Swiss Societies for Pneumology, Paediatric Pneumology, Allergology and Immunology, Thoracic Surgery”. Swiss Medical Weekly 138, no. 1314 (April 4, 2008): w30266. Accessed August 24, 2024. https://smw.ch/index.php/smw/article/view/840.