Fig. 1From: Exogenous surfactant prevents hyperoxia-induced lung injury in adult miceStereological analyses of lung sections. a Volume density of alveolar septa and b volume density of alveolar airspace. c Histological section of lung parenchyma stained with HE. Barr = 50 μm. CG control group, SG surfactant group, HG hyperoxia group, HSG hyperoxia and surfactant groupBack to article page