Authors: Meucci, G Di Battista, R Abbiati, C Benassi, R Bierti, L Bortoli, A Colombo, E Ferrara, A Prada, A Spinzi, G Venturelli, R de Franchis, R

Citation: G. Meucci et al., Prevalence and risk factors of Helicobacter pylori-negative peptic ulcer -A multicenter study, J CLIN GAST, 31(1), 2000, pp. 42-47