Abstract
Conclusion
Diethylstilbestrol glucuronide is recovered in no more than trace amounts from human urine by the gravimetric Venning procedure for the determination of sodium pregnanediol glucuronide. In pregnant patients taking large amounts of stilbestrol the quantitative values for urinary pregnanediol were not influenced by this possible source of error. Some other explanation must be found for the fact that values acquired by the Venning method on the urines of such patients do not agree with colorimetric assays for “freed” pregnanediol upon hydrolyzed specimens.
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