Basile M, Galica V. Radiopaque markers equal Gastrografin in the study of small bowel obstructions (SBO). Ann Ital Chir [Internet]. 2013 Jan. 1 [cited 2025 Jun. 8];84(1):55-9. Available from: https://annaliitalianidichirurgia.it/index.php/aic/article/view/1020