RT Journal Article SR Electronic T1 Infant methionine synthase variants and risk for spina bifida JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 86 OP 87 DO 10.1136/jmg.36.1.86 VO 36 IS 1 A1 SHAW, GARY M A1 TODOROFF, KAREN A1 FINNELL, RICHARD H A1 LAMMER, EDWARD J A1 LECLERC, DANIEL A1 GRAVEL, ROY A A1 ROZEN, RIMA YR 1999 UL http://jmg.bmj.com/content/36/1/86.1.abstract AB