Validity of a Simple Automated Method in Which the "Direct" Kober Reaction is Used to Measure Estrogens during Pregnancy
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Abstract Using a simple automated procedure for measurement of total estrogens in urine, we found that several estrogen conjugates gave higher fluorescence yields than did the corresponding free steroids. In the analysis of urine samples from pregnant women, the "direct Kober reaction" gave consistently higher values than those obtained after preliminary acid or enzymatic hydrolysis. The effects of storage and urine dilution on results for estrogens were also investigated.
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2018 ◽
Vol 2018
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pp. 1-5
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2000 ◽
Vol 81
(11)
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pp. 2625-2633
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2021 ◽
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1999 ◽
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pp. 2173-2182
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1978 ◽
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pp. 1958-1961
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2008 ◽
Vol 393
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pp. 735-745
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Characterization of Phthalate Exposure among Pregnant Women Assessed by Repeat Air and Urine Samples
2008 ◽
Vol 116
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