F B. Essien, et.al., Methionine but not folinic acid or vitamin B-12 alters the frequency of neural tube defects in Axd mutant mice., The Journal of nutrition, 1993, 123
F B. Essien, et.al., Methionine but not folinic acid or vitamin B-12 alters the frequency of neural tube defects in Axd mutant mice., The Journal of nutrition, 1993, 123