Rodriguez, L. A. G., Ruigomez, A., Hasselgren, G., Wallander, M. A., & Johansson, S. (1998). Comparison of mortality from peptic ulcer bleed between patients with or without peptic ulcer antecedents. Epidemiology.
Ruigomez, A., Rodriguez, L. A. G., Hasselgren, G., Johansson, S., & Wallander, M. A. (2000). Overall mortality among patients surviving an episode of peptic ulcer bleeding. J Epidemiol Community Health.
