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Effect of FHE on the histological examination heart (a–d), liver (e–h), kidney (i–l) lung (m–p) and spleen (q–t) tissues of rats during 90-days repeated of toxicity study. Photomicrographs a, e, i, m, q represents the control group; b, f, j, n, r represents the control recovery group; c, g, k, o, s represents the high dose group (1000 mg/kg b. wt.); d, h, l, p, t represents the high dose recovery group (1000 mg/kg b. wt.).
