Hill, A. ., Barker, A. ., Bolser, D. ., Davenport, P. ., Ireland, B. ., Chang, A. ., … McGarvey, L. . (2018). Treating cough due to non-CF and CF bronchiectasis with non-pharmacological airway clearance: CHEST Expert Panel Report. Chest. https://doi.org/10.1016/j.chest.2018.01.014 (Original work published 2018)