RT Journal Article SR Electronic T1 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 JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 619 OP 625 DO 10.1136/jmg.40.8.619 VO 40 IS 8 A1 B Wilcken A1 F Bamforth A1 Z Li A1 H Zhu A1 A Ritvanen A1 M Redlund A1 C Stoll A1 Y Alembik A1 B Dott A1 A E Czeizel A1 Z Gelman-Kohan A1 G Scarano A1 S Bianca A1 G Ettore A1 R Tenconi A1 S Bellato A1 I Scala A1 O M Mutchinick A1 M A López A1 H de Walle A1 R Hofstra A1 L Joutchenko A1 L Kavteladze A1 E Bermejo A1 M L Martínez-Frías A1 M Gallagher A1 J D Erickson A1 S E Vollset A1 P Mastroiacovo A1 G Andria A1 L D Botto YR 2003 UL http://jmg.bmj.com/content/40/8/619.abstract AB