Fresh healthy human umbilical cord was obtained and human umbilical artery smooth muscle cells were cultured in vitro.

取新鲜健康人脐带，离体培养人脐动脉平滑肌细胞。

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Fresh healthy human umbilical cord was obtained and human umbilical artery smooth muscle cells were cultured in vitro.

取新鲜健康人脐带，离体培养人脐动脉平滑肌细胞。

youdao