Engler, K., Mühlemann, K., Garzoni, C., Pfahler, H., Geiser, T., & von Garnier, C. (2012). Colonisation with Pseudomonas aeruginosa and antibiotic resistance patterns in COPD patients. Swiss Medical Weekly, 142(0506), w13509. https://doi.org/10.4414/smw.2012.13509