365bet中国官方网站

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    pellagra

    pellagra - 365bet中国官方网站 definition and meaning for word pellagra

    Definition
    (noun) a disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments
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