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Word: pivotalã (lookup in dictionary) (lookup stats)
Dates: during 2004-2004
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Usage:

Human embryonic stem cells, which can harness the potency of fertilized eggs to form any variety of human tissue, have emerged as a pivotal??€”and controversial—field of study...

Author: By Zachary M. Seward, CRIMSON STAFF WRITER | Title: University To Launch Stem Cell Center | 3/1/2004 | See Source »

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