Abo El Ela, Aisha, Nina Meuli, Petr Hruz, and Emanuel Burri. “Faecal Calprotectin Increases the Diagnostic Yield in Patients With Suspected Small Bowel Disease – a Multicenter Retrospective Cohort Study”. Swiss Medical Weekly 153, no. 3 (March 22, 2023): 40050. Accessed April 27, 2024. https://smw.ch/index.php/smw/article/view/3320.