[A stromal tumor of the small intestine with schwann cell differentiation]. - Elkihal L; Afifi R; Bencheqroun R; Jastimi SE; Sassenou I; Abkari ME; Benelbarhdadi I; Ajana FZ; Ibrahimi A; Benbrahim H; Essaid A; Benazzouz M; et al. (Sante (Montrouge, France), 1999)