Heritier-Barras, A.-C., Adler, D., Iancu Ferfoglia, R., Ricou, B., Gasche, Y., Leuchter, I., Hurst, S., Escher-Imhof, M., Pollak, P., & Janssens, J.-P. (2013). Is tracheostomy still an option in amyotrophic lateral sclerosis?. Swiss Medical Weekly, 143(3132), w13830. https://doi.org/10.4414/smw.2013.13830