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The effects of various concentrations of poricoic acid A and poricoic acid B (A), dehydrotrametenolic acid and dehydroeburicoic acid (B) on the cell viabilities of murine macrophage cells (RAW 264.7). The values are expressed as the mean ± SD (n = 3). Different letters (a–g) indicate significant differences (p < 0.05). LPS, lipopolysaccharide.
