Case ReportPublished 16 June 2026Infliximab as ultima ratio in a case of refractory non-Crohn’s disease complex fistula system: case report and mini-review of the literatureNada Agbariah · Matthias Kis · Christine Manser · Luc Biedermann · Gerhard RoglerFrontiers in Gastroenterologydoi 10.3389/fgstr.2026.1815049