Putting Stem Cells to Work

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Science  05 Mar 1999:
Vol. 283, Issue 5407, pp. 1468-1470
DOI: 10.1126/science.283.5407.1468

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Human embryonic stem (ES) cells hold great promise as a source of transplantable tissue that could, for example, replace tissues damaged as a result of aging, injury, or disease. In a Perspective on page 1468 of this issue, Solter and Gearhart discuss the therapeutic promise of human ES cells and the many ethical and legal complications associated with their use.