Petra Verhoef

Betaine-homocysteine methyltransferase (BHMT): genomic sequencing and relevance to hyperhomocysteinemia and vascular disease in humans.

H. Blom, G. Boers, M. Heijer, 2000, Molecular Genetics and Metabolism.

Effect of Folic Acid and Betaine Supplementation on Flow-Mediated Dilation: A Randomized, Controlled Study in Healthy Volunteers

M. Bots, M. Katan, P. Verhoef, 2006, PLoS clinical trials.

Research goals for folate and related B vitamin in Europe

P. Finglas, J. Buttriss, D. Straeten, 2006, European Journal of Clinical Nutrition.