JAVIER FUENTES-ARDERIU, Ph.D.; MIGUEL ANGEL NAVARRO-MORENO, M.D.
To the editor: Some medical books are misleading when they are used for the interpretation of clinical biochemical results. These books describe the reference limits of biochemical quantities of healthy persons regardless of analytical method or type of kit used to obtain reference values. This is especially important with respect to reference limits of hormonal quantities.
The reference intervals of the serum concentration of several hormones published in some well-known books of internal medicine (1-3) and endocrinology (4, 5) are not identical, but there is no explanation about the analytical method or kit used to obtain each interval. For example,
FUENTES-ARDERIU J, NAVARRO-MORENO MA. Errors in Interpreting Hormonal Assays. Ann Intern Med. ;105:798–799. doi: 10.7326/0003-4819-105-5-798
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Published: Ann Intern Med. 1986;105(5):798-799.
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