Hypothyroidism. Katherine Stanley, MD January 14, 2008. Definitions. Overt hypothyroidism: serum TSH above upper limit of normal, free T4 below lower limit Subclinical hypothyroidism- serum TSH above upper limit, free T4 in normal range. Epidemiology 1. Subclinical 5\% of adults
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Katherine Stanley, MD
January 14, 2008
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