Spisni, Roberto, Marco Biricotti, Giuseppe Boni, Giampiero Manca, Giuliano Mariani, and Paolo Miccoli. 2013. “Radioguided Localization of Occult Colonic Lesions During Open or Laparoscopic Surgery An Update”. Annali Italiani Di Chirurgia 84 (6):637-43. https://annaliitalianidichirurgia.it/index.php/aic/article/view/1058.