Adalimumab Drug Levels at Secondary Loss of Response Do Not Predict Response to Dose-intensification in Crohn's Disease: A Retrospective, International Multicenter Study. - Little RD; Swaine A; Reynolds R; Gibson DJ; Barrau M; D'Errico F; Hampal R; Sparrow MP; Roblin X; Irving PM; Ward MG (Inflammatory bowel diseases, 2024)