Risk factors for ulcer development in patients with non-ulcer dyspepsia: a prospective two year follow up study of 209 patients
P-I Hsu, K-H Lai, G-H Lo, H-H Tseng, C-C Lo, H-C Chen, W-L Tsai, H-S Jou, N-J Peng, C-H Chien, J-L Chen, P-N Hsu
Gut Jul 2002, 51 (1) 15-20; DOI: 10.1136/gut.51.1.15