Authors: Schenk, BE Kuipers, EJ Klinkenberg-Knol, EC Bloemena, EC Sandell, M Nelis, GF Snel, P Festen, HPM Meuwissen, SGM

Citation: Be. Schenk et al., Atrophic gastritis during long-term omeprazole therapy affects serum vitamin B-12 levels, ALIM PHARM, 13(10), 1999, pp. 1343-1346