A. Di Cataldo, C. Trombatore, A. Cocuzza, R. Latino, G. Li Destri, and G. Petrillo, “Synchronous occurrence of colon adenocarcinoma and gastric schwannoma. Case report and review of the literature”, Ann Ital Chir, vol. 84, no. 6, pp. 687–691, Nov. 2013.