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    Human blood cells, light micrograph. — Stock Photo
    Human blood cells, light micrograph.
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    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.
    Illustration of red blood cells affected by sickle cell anaemia with crescent-shaped cells. — Stock Photo
    Illustration of red blood cells affected by sickle cell anaemia with crescent-shaped cells.
    Monocyte white blood cell, digital illustration. — Stock Photo
    Monocyte white blood cell, digital illustration.
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Microcentrifuge sample tubes in styrofoam rack on blue background. — Stock Photo
    Microcentrifuge sample tubes in styrofoam rack on blue background.
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    Donated blood in plastic bag — Stock Photo
    Donated blood in plastic bag
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Centrifuging blood samples, illustration. — Stock Photo
    Centrifuging blood samples, illustration.
    Red blood cells, computer illustration — Stock Photo
    Red blood cells, computer illustration
    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.
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple. — Stock Photo
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple.
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue).
    Basophil white blood cell, digital illustration. — Stock Photo
    Basophil white blood cell, digital illustration.
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue).
    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.
    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.
    Digital illustration of abnormal blood cells infected by hairy cell leukemia. — Stock Photo
    Digital illustration of abnormal blood cells infected by hairy cell leukemia.
    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.
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Scientists preparing multiwell plate with blood samples for testing and analysis. — Stock Photo
    Scientists preparing multiwell plate with blood samples for testing and analysis.
    Illustration of human blood cells flowing through blood vessel. — Stock Photo
    Illustration of human blood cells flowing through blood vessel.
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Neutrophil white blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cells, digital illustration.
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept. — Stock Photo
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept.
    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.
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia. — Stock Photo
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia.
    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.
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    Hand holding a multiwell tray containing blood samples. — Stock Photo
    Hand holding a multiwell tray containing blood samples.
    Tube with blood sample on metal tray in laboratory, close-up. — Stock Photo
    Tube with blood sample on metal tray in laboratory, close-up.
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Gloved hand holding blood sample in test tube. — Stock Photo
    Gloved hand holding blood sample in test tube.
    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.
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept. — Stock Photo
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept.
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Blood collection kit — Stock Photo
    Blood collection kit
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    3d illustration of activated platelets and thrombocytes while healing and closure of wound. — Stock Photo
    3d illustration of activated platelets and thrombocytes while healing and closure of wound.
    Red blood cells, computer illustration — Stock Photo
    Red blood cells, computer illustration
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Close-up view of medical syringes with blood sample. — Stock Photo
    Close-up view of medical syringes with blood sample.
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    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.
    Microcentrifuge sample tubes in styrofoam rack on blue background. — Stock Photo
    Microcentrifuge sample tubes in styrofoam rack on blue background.
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration. — Stock Photo
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration.
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Researcher taking blood sample — Stock Photo
    Researcher taking blood sample
    Close-up of scientist holding rack of microcentrifuge tubes with red liquid. — Stock Photo
    Close-up of scientist holding rack of microcentrifuge tubes with red liquid.
    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.
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.