20.05.2002
Eradication of Helicobacter pylori and risk of peptic ulcers in patients starting long-term treatment with non-steroidal anti-inflammatory drugs: a randomised trial
F.K.L. Chan, K.F. To, J.C.Y. Wu, M.Y. Yung, W.K. Leung, T. Kwok, Y. Hui, H.L.Y. Chan, C.S.Y. Chan, E. Hui, J. Woo, J.J.Y. Sung
The Lancet, 2002; 359: 9–13