Advances in adult and non-embryonic stem cell research before the Subcommittee on Science, Technology, and Space of the Committee on Commerce, … Congress, first session, June 12, 2003.

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Adult stem cell research : successes from the field : hearing before the Subcommittee on Science, Technology, and Space of the Committee on Commerce, … Eighth Congress, second session, July 14,

Adult stem cell research : successes from the field : hearing before the Subcommittee on Science, Technology, and Space of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eighth Congress, second session, July 14, 2004.

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