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Russi, E. W.; Karrer, W.; Brutsche, M.; Eich, C.; Fitting, J. W.; Frey, Manuel; Geiser, T.; Kuhn, M.; Nicod, L.; Quadri, F.; Rochat, T.; Steurer-Stey, C.; Stolz, D. (2013). Diagnosis and management of chronic obstructive pulmonary disease: the Swiss guidelines. Official guidelines of the Swiss Respiratory Society. Respiration, 85(2), pp. 160-174. Karger 10.1159/000346025
