This is something that could be very valuable if it works, no doubt about it. But don't tell me we should stop doing [embryo] research until we find out, because people's lives are at stake.  -   Irving Weissman     Quotes
This is something that could be very valuable if it works, no doubt about it. But don't tell me we should stop doing [embryo] research until we find out, because people's lives are at stake. Irving Weissman
 Doubt