Fig. 8From: Retinoic acid promotes the endogenous repair of lung stem/progenitor cells in combined with simvastatin after acute lung injury: a stereological analysisEffect of retinoic acid (RA) and simvastatin (SS) compound on the numerical density and distribution characteristics of CCSP in Clara cells for acute respiratory distress syndrome (ARDS) in rats. * P < 0.05 vs. the control group; # # P < 0.01 vs. the ARDS groupBack to article page