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Nature 418, 358 (25 July 2002) | doi:10.1038/418358b
US labs bemoan lack of stem cells
Kendall Powell
A year after President Bush publicly wrestled with how best to regulate the use of human embryonic stem cells in research, the availability of approved cell lines remains tightly constrained, US biologists say.Wendy Baldwin, deputy director of extramural research at the National Institutes of Health (NIH), told the President's Council on Bioethics on 11 July that "in excess of two dozen" such cell lines are characterized and available for research.
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