Fig. 12From: 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 of apoptotic cells and distribution characteristics of TNUEL signals in alveolar walls for acute respiratory distress syndrome (ARDS) in rats. * P < 0.05, ** P < 0.01 vs. the control group; # # P < 0.01 vs. the ARDS groupBack to article page