论文信息 - Prevalence and risk factors of Helicobacter pylori-negative peptic ulcer: a multicenter study. - 字舞流文

Prevalence and risk factors of Helicobacter pylori-negative peptic ulcer: a multicenter study.

G. Spinzi | R. Venturelli | A. Prada | G. Meucci | C. Abbiati | R. de Franchis | A. Bortoli | E. Colombo | R. Di Battista | R. Benassi | L. Bierti | A. Ferrara | R. Venturelli | Roberto Di Battista | Rossella Benassi | Renato Venturelli