Efficacy of biologic and small molecule agents as second‐line therapy after exposure to TNF inhibitors in patients with ulcerative colitis: A propensity‐matched cohort study. - Kochhar, Gursimran S.; Desai, Aakash; Farraye, Francis A.; Cross, Raymond K.; El‐Hachem, Sandra; Dulai, Parambir S.; Regueiro, Miguel (Alimentary Pharmacology & Therapeutics, 2023)