PĘKALA, A.; AEBISHER, D.; PARDAK, P.; FILIP, R. Efficacy and safety of biosimilar IFX (CT-P13) and adalimumab in patients with active fistulizing perianal Crohn’s disease naďve to anti-TNF therapy: preliminary results from the POLIBD study. European Journal of Clinical and Experimental Medicine, [S. l.], v. 17, n. 1, p. 12–15, 2019. DOI: 10.15584/ejcem.2019.1.2. Disponível em: https://journals.ur.edu.pl/ejcem/article/view/11746. Acesso em: 18 jan. 2026.