That would make eggs the limiting factor in using nuclear transfer to treat human diseases.

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The Clinton team has argued that such steps are justified since an end to U.S. underground testing is an essential factor in dissuading would-be nuclear powers to give up their ambitions.

CENTERFORSECURITYPOLICY: Center for Security Policy | Vive La France! French Determination To Perform Necessary Nuclear Testing Should Be Wake-Up Call To US

Factor in waning supplies from recycled Russian nuclear warheads, which make up a substantial portion of world uranium reserves, and there is a clear need for new supply.

FORBES: Magazine Article