Hormone and Metabolic Research, Table of Contents Horm Metab Res 1972; 4(4): 311-312DOI: 10.1055/s-0028-1097098 Short Communications© Georg Thieme Verlag KG Stuttgart · New YorkThe Effect of Metformin on the Absorption of Vitamin B12 W. Berger , Th. Lauffenburger , A. Denes Division of Metabolism, Department of Medicine, University of Basle, Switzerland Recommend Article Abstract PDF Download Buy Article PDF (91 kb)