1. Editorial: anti-tumour necrosis factor α antibodies - can efficacy be regained? Author Bar‐Yoseph, H. and Chowers, Y. Subjects *ANTINEOPLASTIC agents, *TUMOR necrosis factors, *IMMUNOGLOBULINS, *T cells, *INFLAMMATORY bowel diseases, *ADALIMUMAB, *INFLIXIMAB, *THERAPEUTICS Abstract Linked Content This article is linked to Strik et al and Strik, D'Heans papers. To view these articles visit https://doi.org/10.1111/apt.13994 and https://doi.org/10.1111/apt.14071. [ABSTRACT FROM AUTHOR] Published 2017 Full Text View/download PDF