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Diagnosis, Prevention and Treatment of Stable COPD and Acute Exacerbations of COPD: The Swiss Recommendations 2018.
Stolz D, Barandun J, Borer H, Bridevaux PO, Brun P, Brutsche M, Clarenbach C, Eich C, Fiechter R, Frey M, Geiser T, Grob M, Helfenstein E, Junker L, Kohler M, Latshang T, Lechmann A, Maurer M, Nicod L, Quadri F, Schilter D, Sigrist T, Soccal P, Tarr P, Thurnheer R, Turk A, Tamm M. Stolz D, et al. Among authors: helfenstein e. Respiration. 2018;96(4):382-398. doi: 10.1159/000490551. Epub 2018 Aug 23. Respiration. 2018. PMID: 30138943 Free article.
Treatment of COPD Exacerbation in Switzerland: Results and Recommendations of the European COPD Audit.
Buess M, Schilter D, Schneider T, Maurer M, Borer H, Thurnheer R, Köhler E, Junker L, Jahn K, Grob M, Rüdiger J, Geiser T, Helfenstein E, Solèr M, Fiechter R, Sigrist T, Brun P, Barandun J, Koltai E, López-Campos JL, Hartl S, Roberts M, Schumann DM, Tamm M, Stolz D. Buess M, et al. Among authors: helfenstein e. Respiration. 2017;94(4):355-365. doi: 10.1159/000477911. Epub 2017 Jul 19. Respiration. 2017. PMID: 28719893 Free article.
[It's so good that nobody knows my name].
Benz R, Helfenstein E, Vogt M. Benz R, et al. Among authors: helfenstein e. Praxis (Bern 1994). 2003 Feb 26;92(9):403-5. doi: 10.1024/0369-8394.92.9.403. Praxis (Bern 1994). 2003. PMID: 12674594 German. No abstract available.