@inproceedings{inproceedings, title = {{O4 Assessing longitudinal change in lung function using 129 Xe-MRI and pulmonary function testing in cystic fibrosis}}, publisher = {{British Thoracic Society}}, url = {{https://doi.org/10.1136/bmjresp-2026-artp.4 }}, year = {{2026}}, month = {{7}}, author = {{Jakymelen D and Smith L and Wild J}}, doi = {{10.1136/bmjresp-2026-artp.4}}, journal = {{Oral Abstracts}}, pages = {{A3-A3}}, note = {{Accessed on 2026/08/03}}}