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American Journal of Clinical Nutrition, Vol 25, 1067-1073, Copyright © 1972 by The American Society for Clinical Nutrition, Inc.
1 From the Clinical Research Center, Southeast Asia Treaty Organization Medical Research Laboratory, Bangkok, Thailand
Intestinal function was studied in two groups of Americans, military and Peace Corps, upon arrival in Thailand, at 8 months, and 2 years later. Xylose malabsorption developed in both groups, whereas lactose and vitamin B12 malabsorption occurred only in some of the latter. Two subjects were considered to have tropical sprue, confirming the presence of this disease in Thailand.
The acquired tropical malabsorption syndrome in Thailand appears less severe than that observed by others in neighboring India and Pakistan. Manifestations were least severe in the relatively protected group of soldiers. Its occurrence was independent of the serum level of folic acid, but other responsible environmental factors were not identified.
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