Media type: E-Article Title: Vitamin-B12-Mangel unter Metformin Contributor: Facharztmagazine, Redaktion imprint: Springer Science and Business Media LLC, 2021 Published in: CME Language: German DOI: 10.1007/s11298-021-2032-0 ISSN: 1614-371X; 1614-3744 Keywords: Family Practice Origination: Footnote: