Two University of Minnesota ethicists have set off a firestorm by
raising questions about a controversial Texas stem-cell company.
In February, Leigh Turner, an associate professor at the University
of Minnesota's Center for Bioethics, asked the Food and Drug
Administration to investigate the company, Celltex Therapeutics, for
selling stem-cell treatments that have not been proved safe or
effective. That same month, his colleague Carl Elliott wrote an online
article questioning the ethics of the company's own ethicist.
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