TY - CONF T1 - Hyperpolarised Gas MRI Shows Reversibility of Lung Ventilation Defects at Increased Inspiratory Lung Volumes in Cystic Fibrosis JO - AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE PY - 2018/01/01 AU - Smith L AU - Hughes PJ AU - Marshall H AU - Collier G AU - West N AU - Wildman M AU - Horsley A AU - Wild JM ED - VL - 197 Y2 - 2025/04/09 ER -