Journal article
Effects of short-term treatment with metformin on serum concentrations of homocysteine, folate and vitamin B12 in type 2 diabetes mellitus: a randomized, placebo-controlled trial
MG Wulffele, A Kooy, P Lehert, D Bets, JC Ogterop, BB Van der Burg, AJM Donker, CDA Stehouwer
Journal of Internal Medicine | WILEY | Published : 2003