(Q40478959)
Statements
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Measuring seven endogenous ketolic estrogens simultaneously in human urine by high-performance liquid chromatography-mass spectrometry. (English)
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Regina G Ziegler
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Xia Xu
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Larry K Keefer
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David J Waterhouse
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Joseph E Saavedra
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Timothy D Veenstra
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1 October 2004
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76
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19
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5829-5836
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Identifiers
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