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Time course of pulmonary histological score (c) as well as IL-6 (a) and IL-10 (b) concentrations in BALF. Results are expressed as mean ± standard error. Filled star: P < 0.05 for the elderly fracture group versus the elderly sham group and the younger fracture group versus the younger sham group. Pound sign: P < 0.05 for the elderly fracture group versus the younger fracture group.
