Behr, J., Günther, A., Bonella, F., Geißler, K., Koschel, D., Kreuter, M., … Costabel, U. (2018). German Guideline for Idiopathic Pulmonary Fibrosis - Update on Pharmacological Therapies 2017. Pneumologie (Stuttgart, Germany). https://doi.org/10.1055/s-0043-123035 (Original work published 2018)