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    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.
    Petri dishes with blood samples on plain background. — Stock Photo
    Petri dishes with blood samples on plain background.
    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).
    Donor blood being separated into component parts in bags. — Stock Photo
    Donor blood being separated into component parts in bags.
    Donor blood being separated into component parts in bag. — Stock Photo
    Donor blood being separated into component parts in bag.
    Single test tube with blood sample. — Stock Photo
    Single test tube with blood sample.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, 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.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Blood sample in kidney dish with urine sample on table. — Stock Photo
    Blood sample in kidney dish with urine sample on table.
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    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 reading the results of blood test while holding blood sample. — Stock Photo
    Doctor reading the results of blood test while holding blood sample.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Lymphocyte, monocyte and neutrophil white blood cells in blood smear, digital illustration. — Stock Photo
    Lymphocyte, monocyte and neutrophil white blood cells in blood smear, 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.
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Virus in human blood, computer illustration. — Stock Photo
    Virus in human blood, computer illustration.
    Narrowed blood vessel, computer illustration. — Stock Photo
    Narrowed blood vessel, computer illustration.
    Scientist selecting human blood sample in laboratory. — Stock Photo
    Scientist selecting human blood sample in laboratory.
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    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.
    Close-up of human blood and various hematology samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hematology samples in test tubes while screening in medical lab.
    Micropipette pipetting blood sample into Petri dish. — Stock Photo
    Micropipette pipetting blood sample into Petri dish.
    Bone marrow cellular structure — Stock Photo
    Bone marrow cellular structure
    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.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Illustration of eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    Close-up of tube and syringe in hematology laboratory with scientist in background. — Stock Photo
    Close-up of tube and syringe in hematology laboratory with scientist in background.
    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    White blood cells with red blood cells, computer illustration. — Stock Photo
    White blood cells with red blood cells, computer illustration.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    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.
    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.
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration. — Stock Photo
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration.
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    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.
    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.
    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.
    Close-up of tube and syringe in hematology laboratory with scientist in background. — Stock Photo
    Close-up of tube and syringe in hematology laboratory with scientist in background.
    Glass phial with blood sample. — Stock Photo
    Glass phial with blood sample.
    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.
    Spilt blood sample on white background. — Stock Photo
    Spilt blood sample on white background.
    Illustration of clot of human blood cells. — Stock Photo
    Illustration of clot of human blood cells.
    Illustration of eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Close-up of doctor drawing female patient blood for PRP cosmetics treatment. — Stock Photo
    Close-up of doctor drawing female patient blood for PRP cosmetics treatment.
    Monocyte white blood cells in blood stream with red blood cells, digital illustration. — Stock Photo
    Monocyte white blood cells in blood stream with red blood cells, digital illustration.
    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.