2Aldosary B M, Sutter M E, Schwartz M, et al. Case series of selenium toxicity from a nutritional supplement [ J ]. Clin Toxicol (Phila) ,2012,50( 1 ) :57-64.
3Ashton K, Hooper L, Harvey L J, et al. Methods of assessment of selenium status in humans:A systematic review [ J ]. Am J Clin Nutr, 2009,89 ( 6 ) : S2025-S2039.
4Chandwani H R, Shroff B D. Prevalence of goiter and urinary iodine status in six-twelve-year-old rural primary school children of bharuch district, gujarat, India[ J]. Int J Prey Med,2012,3 (1) :54-59.