Serum levels of infliximab in Brazilian patients with Crohn’s disease: what are the reasons for differences from previous studies?. Clinics, [S. l.], v. 74, p. e1424, 2019. DOI: 10.6061/clinics/2019/e1424. Disponível em: https://revistas.usp.br/clinics/article/view/163038.. Acesso em: 5 may. 2024.