No abstract available
Publication types
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Comparative Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Estradiol / blood
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Humans
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Hydrocortisone / blood
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Italy
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Laboratories / standards*
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Progesterone / blood
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Quality Control
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Radioimmunoassay / standards*
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Steroids / blood*
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Testosterone / blood
Substances
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Steroids
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Testosterone
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Progesterone
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Estradiol
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Hydrocortisone