adult stem ceils的用法和样例：
- Heart muscle repair with adult stem cells.
- VOICE: How do these results compare with adult stem cell results?
- It is the adult stem cells that actually help patients now," Prentice said.
- Adult stem cells are thought by scientists to be less versatile than their embryonic equivalents.
- Molecular regulation of adult stem cells differentiate into cardiac phenotype by microenvironment.