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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Chromatograms of five cocktail probe drugs and tinidazole (IS) in the incubation system. IS in blank sample (A); sample spiked with five cocktail probe drugs and IS (B).