Ottenkamp, J.

control intake study mother right patient heart volume defect group fallot ribo flavin wall mass netherland folate tetralogy qrs duration syndrome nicotinamide flavin result factor child homocysteine vitamin arrhythmia period duration heart defects periconception period s-adenosylmethionine /s ratio supplement periconception level end diastolic volume table chd risk b-vitamin s-adenosylmethionine centre control mothers children regurgitation pregnancy dutch hypomethylation folic offspring repair ratio association european range case mothers resonance university resonance imaging folic acid velocity <0.01 tachycardia month nutrition methylation qrs prolongation risk factors disease dispersion body surface area measurement energy mann –whitney diastolic case group value metabolism difference ejection fraction number plasma