Article
Subject-based reference values in thyroid function tests.
Endocrine journal - 1 Oct 1993
Nagayama I, Yamamoto K, Saito K, Kuzuya T, Saito T
Abstract excerpt
To evaluate the diagnostic value of subject-based reference values in thyroid function tests, we compared intra-individual and inter-individual variation. Five specimens were collected over a period of 2 weeks from each of 47 normal subjects, 29 women and 18 men, aged 20-47 yrs. T4, FT4, T3, and FT3 were assayed by RIA, and TSH by a sensitive immunoradiometric assay. One-way ANOVA for each test was statistically...
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