Fig. 4From: Bone marrow mesenchymal stromal cells attenuate silica-induced pulmonary fibrosis potentially by attenuating Wnt/β-catenin signaling in ratsSeverity of pulmonary fibrosis evaluated by modified Ashcroft score (on the 28th day after exposure to silica suspension). Data are presented as mean ± SD. *p < 0.05 compared with the control groupBack to article page