SALEH, H.; EL-FAKHARANY, M.; FRANKLE, M. Multiple Synchronous Granular Cell Tumors Involving the Colon, Appendix and Mesentery: a Case Report and Review of the Literature. Journal of Gastrointestinal and Liver Diseases, v. 18, n. 4, p. 475-478, 1 dez. 2009.