3[4]Costa A, Trainer P Besser M, et al. Nitric Oxide modulates the release of corticotropin - releasing hormone from the rat hypothalamus. Brain res, 1993, 605(2): 187.
4[5]Pozzoli G, Mancuso C, Mirtella A, et al. Carbon monoxide as a novel neuroendocrine modulator, inhibition of stimulated corticotropin- re leasing hormone from acute rat hypothalamus explants. Endocrinology,1994, 135 (6):2314.
5Chen G,Song X,Ji Y,et al.Prevention of NTDs with periconceptional multivitamin supplementation containing folic acid in China[J].Birth Defects Res A Clin Mol Teratol,2008,82(8):592-596.
