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The results show that irradiation of the gastrointestinal tract affects albumin content of rat serum in the same manner as does whole body irradiation. This effect has been attributed to irradiation of the liver during whole body exposure. Since only the intestinal tract was irradiated in these experiments, decreased albumin production caused by indirect action of some substance originating in the irradiated tissue is suggested. Another possibility is loss of albumin because of increased capillary permeability in the irradiated intestinal tract.
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Palmer et al. (1959) studied this question.
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