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    Narrowed artery causing atherosclerosis — Stock Photo
    Narrowed artery causing atherosclerosis
    Red blood cells — Stock Photo
    Red blood cells
    Person holding blood bag — Stock Photo
    Person holding blood bag
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Donated blood in plastic bag — Stock Photo
    Donated blood in plastic bag
    Microcentrifuge sample tubes in styrofoam rack on blue background. — Stock Photo
    Microcentrifuge sample tubes in styrofoam rack on blue background.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Human white blood cell — Stock Photo
    Human white blood cell
    Centrifuging blood samples in barcoded test tubes, digital illustration. — Stock Photo
    Centrifuging blood samples in barcoded test tubes, digital illustration.
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    Human blood, computer illustration — Stock Photo
    Human blood, computer illustration
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Blood sampling vacutainer tubes in rack, close-up. — Stock Photo
    Blood sampling vacutainer tubes in rack, close-up.
    Scanning electron microscopy of DNA molecules and red and white blood cells. — Stock Photo
    Scanning electron microscopy of DNA molecules and red and white blood cells.
    White blood cells — Stock Photo
    White blood cells
    Basophil white blood cell, digital illustration. — Stock Photo
    Basophil white blood cell, digital illustration.
    Normal human red blood cell — Stock Photo
    Normal human red blood cell
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia. — Stock Photo
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia.
    Hand of researcher holding vacutainer tube above pool of blood and syringe. — Stock Photo
    Hand of researcher holding vacutainer tube above pool of blood and syringe.
    Human red blood cells — Stock Photo
    Human red blood cells
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia. — Stock Photo
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia.
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration.
    Female donor with patch on hand sitting in medical chair after blood transfusion procedure — Stock Photo
    Female donor with patch on hand sitting in medical chair after blood transfusion procedure
    Petri dishes with blood samples on plain background. — Stock Photo
    Petri dishes with blood samples on plain background.
    Labelled vacutainer tubes containing blood samples, close-up. — Stock Photo
    Labelled vacutainer tubes containing blood samples, close-up.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system. — Stock Photo
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system.
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Person giving blood — Stock Photo
    Person giving blood
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei. — Stock Photo
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei.
    From above of crop anonymous female donor with patch on hand sitting in medical chair after blood transfusion procedure — Stock Photo
    From above of crop anonymous female donor with patch on hand sitting in medical chair after blood transfusion procedure
    Blood sample and syringe on table. — Stock Photo
    Blood sample and syringe on table.
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge. — Stock Photo
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge.
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital — Stock Photo
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Human red blood cells and platelets — Stock Photo
    Human red blood cells and platelets
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Illustration of clot of human blood cells. — Stock Photo
    Illustration of clot of human blood cells.
    Red blood cells — Stock Photo
    Red blood cells
    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Morphology of Activated platelets — Stock Photo
    Morphology of Activated platelets
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital — Stock Photo
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Tube with blood sample on metal tray in laboratory. — Stock Photo
    Tube with blood sample on metal tray in laboratory.
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital — Stock Photo
    Side view of young woman in protective mask sitting in medical armchair during blood transfusion procedure in contemporary hospital
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    Illustration of human blood cells in blood stream. — Stock Photo
    Illustration of human blood cells in blood stream.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Close-up of pipetting blood into sample pot of clear liquid. — Stock Photo
    Close-up of pipetting blood into sample pot of clear liquid.
    Hand of researcher holding vacutainer tube above pool of blood and syringe. — Stock Photo
    Hand of researcher holding vacutainer tube above pool of blood and syringe.
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Close-up of stethoscope alongside blood sample in test tube, syringe and medical vial in a clinic. — Stock Photo
    Close-up of stethoscope alongside blood sample in test tube, syringe and medical vial in a clinic.
    Close-up of laboratory technician holding tube with blood sample in gloved hand. — Stock Photo
    Close-up of laboratory technician holding tube with blood sample in gloved hand.
    Erythrocytes red blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes red blood cells in human blood vessel, digital illustration.
    Close-up of syringe full of blood in hands of male doctor. — Stock Photo
    Close-up of syringe full of blood in hands of male doctor.