Maternal dietary B vitamin intake, other than folate, and the association with orofacial cleft in the offspring. - Krapels,I.P.; van Rooij,I.A.; Ocke,M.C.; van Cleef,B.A.; Kuijpers-Jagtman,A.M.; Steegers-Theunissen,R.P. (Eur J Nutr, 2004)