(Q46688293)
Statements
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Ionic liquid-based aqueous two-phase system, a sample pretreatment procedure prior to high-performance liquid chromatography of opium alkaloids (English)
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Shehong Li
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Chiyang He
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Huwei Liu
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Kean Li
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Feng Liu
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6 September 2005
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826
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1-2
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58-62
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