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Is Stem Cell Research Necessary? by Hal Marcovitz, Lauri S. Friedman

Is Stem Cell Research Necessary?

In Controversy

Hal Marcovitz, Lauri S. Friedman

96 pages • missing pub info (editions)

nonfiction childrens technology young adult medium-paced
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Stem Cell Research by Lauri S. Friedman

Stem Cell Research

In Controversy

Lauri S. Friedman

128 pages • missing pub info (editions)

nonfiction childrens technology young adult medium-paced