Previous Article Next Article Table of Contents Journal of Applied Microbiology, Vol.107, No.5, 1763-1763, 2009 DOI10.1111/j.1365-2672.2009.04468.x Export Citation The evidence that pseudovitamin B-12 is biologically active in mammals is still lacking - a comment on Molina et al.'s (2009) experimental design Santos F, Teusink B, de Vos WM, Hugenholtz J Please enable JavaScript to view the comments powered by Disqus.