目的：初步探索猪主动脉组织工程瓣膜的制备方法。

Objective: To study the preparation of porcine heart aortic tissue engineering valve.

youdao

目的：初步探索猪主动脉组织工程瓣膜的制备方法。

Objective: To study the preparation of porcine heart aortic tissue engineering valve.

youdao