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This is to certify that your paper entitled «Influence of quercetin and chrysin on the intestinal permeability of paclitaxel, a substrate of P-glycoprotein and CYP3A4 using in vitro rat gut sacs» was indexed with 8 pages, in the CIVILICA citation database, code COI:JR_TIPS-5-3_006, after evaluation and approval of the referees of the "Trends in Pharmaceutical Sciences Vol 5, Issue 3 , Year 2019.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above journal and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.