1.   And many in medicine discount the idea that doctors will remove a diseased heart or liver and plop in a new factory-made replacement organ anytime soon.

2.   Still, researchers say growing replacement organs remains an ultimate goal.

3.   A South Korean medical team said Wednesday it had made an important advance in the cloning of human cells to create replacement organs.

4.   A South Korean medical team said it has made an important advance in cloning human cells to create replacement organs.

5.   They are believed to hold great potential for treating diseases and generating replacement organs.