Teixeira, Fabio Vieira, Rogerio Serafim Parra, Omar Feres, and Paulo Gustavo Kotze. “Serum Levels of Infliximab in Brazilian Patients With Crohn’s Disease: What Are the Reasons for Differences from Previous Studies?”. Clinics 74 (October 9, 2019): e1424. Accessed July 4, 2024. https://periodicos.usp.br/clinics/article/view/163038.