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Presence of type I and III collagen fibers in hepatic tissue. Type I collagen fibers (red and yellow) and III (green) in mouse livers for each study group. A. Control group. B. Low-dose alcohol group. C. Moderate-dose alcohol group. D. β-carotene group. E. Low-dose alcohol with oral supplementation of β-carotene group. F. Moderate-dose alcohol group with oral supplementation of β-carotene. Sirius Red.
