4Ya n YQ, Chen ZP, Yang XM, et al. Attention to the hiding iodine deficiency in pregnant and lactating women after universal salt iodization: a multi-community study in China[J]. J Endocrinol Invest, 2005,28 (6) : 547-553.
5Di Cosmo C, Fanelli G, Tonacchera M, et al. The sodium-iodide symporter expression in placental tissue at different gestational age : an immunohistochemical study [J]. Clin Endocrinol (Oxf), 2006,65 (4) : 544-548.
6Mitchell AM, Manley SW, Morris JC, et al. Sodium iodide symporter(NIS) gene expression in human placenta[J]. Placenta, 2001,22(2-3) :256-258.
7Manley SW, Li H, Mortimer RH. The BeWo choriocarcinoma cell line as a model of iodide transport by placenta[J]. Placenta, 2005,26 ( 5 ) : 380-386.
8Singh PK, Parvin CA, Gronowski AM. Establishment of reference intervals for markers of fetal thyroid status in anmiotic fluid[J]. J Clin Endocrinol Metab ,2003,88(9) :4175-4179.
9Schroder-van der Elst JP, van der Heide D, Kastelijn J, et al. The expression of the sodium/iodide symporter is up-regulated in the thyroid of fetuses of iodine-deficient rats[J]. Endocrinology, 2001,142(9) :3736-3741.
10Huang SA. Physiology and pathophysiology of type 3 deiodinase in humans[J]. Thyroid,2005,15(8) :875-881.