GABRIELLE VOINOT / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY GABRIELLE VOINOT / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY
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Blood type modification. Modified blood cells being viewed under a microscope. These cells have had their blood types modified using gene transfer techniques. Photographed at the French National Blood Service (Etablissement Francais du Sang, EFS), Marseille, France.
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