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Dose-inhibition curves of Qingfei Paidu decoction against CYP1A (A), CYP2A6 (B), CYP2C8 (C), CYP2C9 (D), CYP2C19 (E), CYP2D6 (F), CYP2E1 (G) and CYP3A (H) in HLMs, with short (3 min, blue line) or long (33 min, red line) pre-incubation time. Data are expressed as mean ± SD (n = 3). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
