Comparison of EUS-Guided Trucut with EUS-Guided Fine-Needle Aspiration in Subepithelial Tumors: Preliminary Results of a Prospective Study - Ginès, A; Fernández-Esparrach, G; Pellisé, M; Argüello, L; Solé, M; Colomo, LL; Sendino, O; Moura, L; Gimeno, A; Mata, A; Llach, J; Bordas, JM (Endoscopy, 2006)