(Q44148633)
Statements
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Simultaneous determination of hypericin and hyperforin in human plasma and serum using liquid-liquid extraction, high-performance liquid chromatography and liquid chromatography-tandem mass spectrometry (English)
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R Pirker
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C W Huck
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G K Bonn
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1 September 2002
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777
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1-2
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147-153
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Identifiers
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1 reference