bibliographicCitation |
Olthof MR, Bots ML, Katan MB, Verhoef P. Effect of Folic Acid and Betaine Supplementation on Flow-Mediated Dilation: A Randomized, Controlled Study in Healthy Volunteers. PLOS Clin Trial. 2006 Jun 09;1(2):e10. doi: 10.1371/journal.pctr.0010010. |