Ravasio, Roberto, Raffaella Viti, and Antonio Saverio Roscini. “Cost Per Responder for Vedolizumab and Ustekinumab in Crohn’s Disease Patients After Failure of TNF-α Inhibitors in Italy”. AboutOpen 10, no. 1 (January 16, 2023): 13–21. Accessed November 23, 2024. https://journals.aboutscience.eu/index.php/aboutopen/article/view/2515.