To investigate the contribution of polymorphic variation in genes involved in the folate-dependent homocysteine pathway in the aetiology of neural tube defects (NTD).
Paediatric and Lifecourse Epidemiology Research Group, School of Clinical Medical Sciences, Newcastle University, Sir James Spence Institute, Royal Victoria Infirmary, Newcastle upon Tyne, NE1 4LP, UK. c.l.relton@ncl.ac.uk