Hut, Adnan, et al. “Classification of Hartmann’s Procedure Reversal Complications According to the Clavien-Dindo System”. Annali Italiani Di Chirurgia, vol. 93, no. 1, Jan. 2022, pp. 130-4, https://annaliitalianidichirurgia.it/index.php/aic/article/view/951.