苏木精伊红（HE）染色观察气道上皮下基膜（SBM ）厚度；

The subepithelial basement membrane(SBM) thickness was measured by light microscopy using HE staining.

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苏木精伊红（HE）染色观察气道上皮下基膜（SBM ）厚度；

The subepithelial basement membrane(SBM) thickness was measured by light microscopy using HE staining.

youdao