Ng, Christabella, Dellschaft, Neele S, Hoad, Caroline, Marciani, Luca, Spiller, Robin, Crooks, Colin, Hill, Trevor, Menys, Alex, Mainz, Jochen G, Barr, Helen, Gowland, Penny A., Major, Giles, Smyth, Alan R, "A randomised crossover trial of tezacaftor-ivacaftor for gut dysfunction in cystic fibrosis with magnetic resonance imaging (MRI) outcomes: a pilot study", NIHR Open Research, 2025