Robert Morris (L-R), Laura Turner and Derek Grice joke as they get out of their sterilized suits after demonstrating how DCVax-L is manufactured in a Northwest Biotherapeutics laboratory in Memphis, ... more 
Robert Morris (L-R), Laura Turner and Derek Grice joke as they get out of their sterilized suits after demonstrating how DCVax-L is manufactured in a Northwest Biotherapeutics laboratory in Memphis, Tennessee, February 21, 2014. REUTERS/Mike Brown less 
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Reuters | Photo By MIKE BROWN / Reuters
Wed, Feb 26, 2014 10:11 AM EST