Methods Immunohistochemical technique combined with computer image analysis was used to determine expression of PDGF B chain protein by intra acinar pulmonary arteries (IAPA) in rat exposed to hypoxia.

• 方法：应用免疫组化技术结合计算机图像分析，检测了低氧大鼠腺泡内肺动脉（IAPA）PDGF－B链蛋白表达水平。