Anti-Migraine Effect of the Herbal Combination of Chuanxiong Rhizoma and Cyperi Rhizoma and UPLC-MS/MS Method for the Simultaneous Quantification of the Active Constituents in Rat Serum and Cerebral Cortex.

Molecules · 2019 · PMC6630925 · PMID 31207980

Europe PMC DOI

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an obvious trendno p-value reported

An obvious trend can be seen that the higher drug concentrations there are in the CRCR extract, the higher drug levels there can be qualified in the rat serum and cerebral cortex.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.