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group of inherited enzyme deficiencies which feature elevations of galactose in the blood; this condition may be associated with deficiencies of galactokinase, UDP glucose-hexose-1-phosphate uridylyltransferase (classic form), or UDP glucose 4-epimerase; the classic form presents in infancy with failure to thrive, vomiting, and intracranial hypertension; affected individuals also may develop mental retardation, jaundice, hepatosplenomegaly, ovarian failure and cataracts.
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