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hyperphenylalaninemia

[ hī′pər-fĕn′əl-ălə-nə-nēmē-ə, -fē′nəl- ]
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n.
Abnormally high blood levels of phenylalanine, possibly associated with elevated tyrosine levels, seen especially in newborns.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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