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    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Blood bags labelled with bar codes, close-up. — Stock Photo
    Blood bags labelled with bar codes, close-up.
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Donor blood being separated into component parts in bag. — Stock Photo
    Donor blood being separated into component parts in bag.
    Side view of anonymous male veterinarian in sterile uniform and mask covering animal patient with fabric before surgery in hospital — Stock Photo
    Side view of anonymous male veterinarian in sterile uniform and mask covering animal patient with fabric before surgery in hospital
    Medical check-up including blood and urine test samples and results. — Stock Photo
    Medical check-up including blood and urine test samples and results.
    Illustration of eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    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.
    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.
    Red blood cells flowing inside an artery — Stock Photo
    Red blood cells flowing inside an artery
    Donor blood being separated into component parts in bags. — Stock Photo
    Donor blood being separated into component parts in bags.
    Person holding blood bag — Stock Photo
    Person holding blood bag
    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.
    Micropipette pipetting blood sample into Petri dishes. — Stock Photo
    Micropipette pipetting blood sample into Petri dishes.
    Blood sample in kidney dish with urine sample on table. — Stock Photo
    Blood sample in kidney dish with urine sample on table.
    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.
    Used surgical swab — Stock Photo
    Used surgical swab
    Narrowed artery causing atherosclerosis — Stock Photo
    Narrowed artery causing atherosclerosis
    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.
    3d illustration showing increase of non-functional white blood cells in leukaemia. — Stock Photo
    3d illustration showing increase of non-functional white blood cells in leukaemia.
    Blood clot formation — Stock Photo
    Blood clot formation
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Virus in human blood, computer illustration. — Stock Photo
    Virus in human blood, computer illustration.
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Blood sample and syringe on table. — Stock Photo
    Blood sample and syringe on table.
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.
    Red blood cells — Stock Photo
    Red blood cells
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Labelled vacutainer tubes containing blood samples, close-up. — Stock Photo
    Labelled vacutainer tubes containing blood samples, close-up.
    Blood samples for testing in microcentrifuge tubes. — Stock Photo
    Blood samples for testing in microcentrifuge tubes.
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration.
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Normal human red blood cell — Stock Photo
    Normal human red blood cell
    Morphology of Activated platelets — Stock Photo
    Morphology of Activated platelets
    Scientists preparing multiwell plate with blood samples for testing and analysis. — Stock Photo
    Scientists preparing multiwell plate with blood samples for testing and analysis.
    Human blood cells, light micrograph. — Stock Photo
    Human blood cells, light micrograph.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    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 white blood cells — Stock Photo
    Red blood cells and white blood cells
    Medical samples — Stock Photo
    Medical samples
    Barcodes on test tubes with blood samples. — Stock Photo
    Barcodes on test tubes with blood samples.
    Medical samples — Stock Photo
    Medical samples
    Monocyte white blood cell, digital illustration. — Stock Photo
    Monocyte white blood cell, 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 cells — Stock Photo
    Human blood cells
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Red blood cells — Stock Photo
    Red blood cells
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Activated platelet from peripheral blood — Stock Photo
    Activated platelet from peripheral blood
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    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.
    Blood samples ready for analysis — Stock Photo
    Blood samples ready for analysis
    Close-up view of vacutainer with needle on tray. — Stock Photo
    Close-up view of vacutainer with needle on tray.