Geographical and ethnic variation of the 677C>T allele of 5,10 methylenetetrahydrofolate reductase (MTHFR): findings from over 7000 newborns from 16 areas world wide
B Wilcken, F Bamforth, Z Li, H Zhu, A Ritvanen, M Redlund, C Stoll, Y Alembik, B Dott, A E Czeizel, Z Gelman-Kohan, G Scarano, S Bianca, G Ettore, R Tenconi, S Bellato, I Scala, O M Mutchinick, M A López, H de Walle, R Hofstra, L Joutchenko, L Kavteladze, E Bermejo, M L Martínez-Frías, M Gallagher, J D Erickson, S E Vollset, P Mastroiacovo, G Andria, L D Botto
Journal of Medical Genetics Aug 2003, 40 (8) 619-625; DOI: 10.1136/jmg.40.8.619