Geron's exit symbolic ding for stem cell research Current Status: Blessed (1) Change Status: BlessedPublishedUnpublishedRestoredQuarantinedDuplicatedCensored Matthew Perrone, AP Health Writer Mon Nov 14, 2011 3:39 PM businesshealthusstem-cellscellsstemgeron Tweet Discuss: ! keyboard shortcuts: V vote up article J next comment K previous comment