2The Food and Nutrition Board of USA.Recommendations for iodine intake[J].IDD Newsletter,2001,17(1):15.
3ICCIDD.Ideal iodine nutrition: A brief mon-technical guide[J].IDD Newsletter,2001,17(2): 28-29.
4Thomson CD.Dietary recommendations for Iodine around the world[J].IDD Newsletter,2002,18(3): 38-42.
5WHO/UNICEF/ICCIDD.Recommended iodine levels in salt and guidelines for monitoring their adequacy and effectiveness [M].Geneva:WHO/NUT,1996.2-5.
6WHO/UNICEF/ICCIDD.Assessment of iodine deficiency disorders and monitoring their elimination.A guide for program managers [M].2nd edition.Geneva:WHO/NUT,2001.31-37.
7Stanbury JB,Dunn JT and Pandav CS.Iodine and Pregnancy[M].New Delhi:Oxford University Press,1998.35-89.