Genberg, Jenny, Davies, Joanna M., Ahmadi, Zainab, Currow, David, Johnson, Miriam J., Tanash, Hanan, Bajwah, Sabrina, Ekström, Magnus, "Indications and patterns of use of benzodiazepines and opioids in severe interstitial lung disease: a population-based longitudinal study", ERJ Open Research, 2021