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New Stem Cell Guidelines

Stem cell researchers around the world will be studying a new code of conduct released on Thursday. A Boston scientist led this, the first international effort to create such guidelines, which apply to work on human embryos and related stem cells. WBUR's health and science reporter Allan Coukell explains.

The audio for this story will be available on WBUR's web site after 10 a.m. on Friday.

This program aired on February 2, 2007. The audio for this program is not available.

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