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Explants incubated with medium (control), 10 µg/mL LPS, polymyxin B (PMB) (200 µg/mL), milk thistle (MT) (1–1000 µg/mL) and silymarin (SM) (1–250 µg/mL) combined with 10 µg/mL LPS. Error bars display standard deviation. a,b Superscripts indicate significant difference p < 0.05.
