Feasibility Study of a New Magnetic Resonance Imaging Mini-capsule Device to Measure Whole Gut Transit Time in Paediatric Constipation. - Sharif H; Abrehart N; Hoad CL; Murray K; Perkins AC; Smith M; Gowland PA; Spiller RC; Harris R; Kirkham S; Loganathan S; Papadopoulos M; et al. (Journal of pediatric gastroenterology and nutrition, 2020)