The urinary metabolites of phthalates are well-accepted exposure biomarkers for adults and children older than 6 years but are not commonly used for infants owing to non-convenient sampling. In the ...
IN a recent investigation carried out by the writers, with Mr. E. B. Wedmore (see paper read before the Institution of Electrical Engineers on April 7, entitled “A Contribution to the Study of the ...
Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Representative and random sampling help ...
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