Conclusion: Human umbilical cord veins are good substitutes for small-caliber arterial grafts.

结论：脐带静脉可作为小口径动脉移植的替代材料。

youdao

Conclusion: Human umbilical cord veins are good substitutes for small-caliber arterial grafts.

结论：脐带静脉可作为小口径动脉移植的替代材料。

youdao