In a rodent model of heart failure Lee and collaborators showed that intramuscular delivery of mesenchymal stem cells improved heart chamber function and reduced scar tissue formation.

在心衰的啮齿动物模型中，Lee及其合作者显示间叶干细胞肌间注射改善了心室功能并减少了瘢痕组织的形成。

youdao

Buehler says he saw evidence of that same concern for the average person when the head of a local chamber of commerce asked Guthrie to perform at a function.

NPR: Woody Guthrie's Fertile Month on the Columbia River

They are based on the belief that the main legislative function of the non-elected House is to act as a chamber of revision, complementing but not rivalling the elected House.

BBC: Passage through the other House