Comparative effectiveness and safety of ustekinumab versus anti-tumour necrosis Factor agents as first- or second-line biologics in Crohn<acute accent>s disease: a real-world multicentric observational study - Ferreira, S.; Parra, R. Serafim; Sassaki, L. Yukie [UNESP]; Mello, M. Kurtz de; Parente, J. M. Luz; Bafutto, M.; Penna, F. G. Cancela; Pinho, L. Penna; Froes, R. de Sa Brito; Gasparetti Jr, N. L. Tricarico Gasparetti; Chebli, L. Andrade; Alves Jr, A. J. Tiburcio; et al. (Oxford Univ Press, 2025)