Does the expression of c-kit (CD117) in neuroendocrine tumors represent a target for therapy? - Koch, C A; Gimm, O; Vortmeyer, A O; Al-Ali, H K; Lamesch, P; Ott, R; Kluge, R; Bierbach, U; Tannapfel, A (Ann N Y Acad Sci, 2006)