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Interdepartmental Committee on Nutrition for National Defense, Bethesda, Maryland, Veterans Administration Laboratory for Anatomical Pathology and Research, Armed Forces Institute of Pathology, Washington, D.C. and the Department of Radiology, Siriraj Hospital, University of Medical Sciences, Bangkok, Thailand
A survey of iodine metabolism in nongoitrous school girls and military males was conducted in 7 areas of Thailand. Measurement of radioiodine uptake by the thyroid gland and determinations of stable iodine concentrations of casual urine specimens, expressed in terms of creatinine content, indicate that iodine malnutrition is prevalent in the northern provinces of Chieng Mai, Chieng Rai and Prae as well as in the eastern provinces of Udorn and Ubol. These observations are correlated with the prevalence of goiter in these areas.