BSIP, JOSE OTO / SCIENCE PHOTO LIBRARY BSIP, JOSE OTO / SCIENCE PHOTO LIBRARY
Donated blood analysis. The sample wells contain samples of donated blood. These are tested for blood group, as well as being thoroughly examined for pathogens such as bacteria and viruses. If the blood is found to be healthy it can be used in transfusions. Photographed at a blood bank in Bordeaux, France.
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