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    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Illustration of clot of human blood cells. — Stock Photo
    Illustration of clot of human blood cells.
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, 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.
    Close-up of micropipette pipetting blood sample into Petri dishes. — Stock Photo
    Close-up of micropipette pipetting blood sample into Petri dishes.
    From above of crop female nurse in protective gloves with bag of blood in hand working with patient during procedure of blood donation in modern medical center — Stock Photo
    From above of crop female nurse in protective gloves with bag of blood in hand working with patient during procedure of blood donation in modern medical center
    Scientist viewing sample on glass slide under light microscope. — Stock Photo
    Scientist viewing sample on glass slide under light microscope.
    Atherosclerosis and narrowed artery — Stock Photo
    Atherosclerosis and narrowed artery
    Basophil white blood cell, digital illustration. — Stock Photo
    Basophil white blood cell, digital 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.
    Centrifuging blood samples with motion blur, digital illustration. — Stock Photo
    Centrifuging blood samples with motion blur, digital illustration.
    Side view of crop anonymous male doctor in respiratory mask using professional equipment with diagrams on display near microscope in lab — Stock Photo
    Side view of crop anonymous male doctor in respiratory mask using professional equipment with diagrams on display near microscope in lab
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    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.
    Researcher hand holding vacutainer tube in front of yellow tray. — Stock Photo
    Researcher hand holding vacutainer tube in front of yellow tray.
    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.
    Researcher preparing bags of donated blood for component separation. — Stock Photo
    Researcher preparing bags of donated blood for component separation.
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in 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.
    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.
    White blood cell — Stock Photo
    White blood cell
    Machine for automated analysis of donated blood. — Stock Photo
    Machine for automated analysis of donated blood.
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes.
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Doctor taking blood sample from patient arm. — Stock Photo
    Doctor taking blood sample from patient arm.
    Donated blood in bag on white background. — Stock Photo
    Donated blood in bag on white background.
    Illustration of clot of human blood cells. — Stock Photo
    Illustration of clot of human blood cells.
    Female researcher preparing multi-well sample tray of blood for analysis. — Stock Photo
    Female researcher preparing multi-well sample tray of blood for analysis.
    Blood clot formed by red blood cells — Stock Photo
    Blood clot formed by red blood cells
    Normal red blood cells — Stock Photo
    Normal red blood cells
    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.
    Human red blood cells and platelets — Stock Photo
    Human red blood cells and platelets
    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 — Stock Photo
    Red blood cells
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    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.
    Human white blood cell — Stock Photo
    Human white blood cell
    Red blood cells — Stock Photo
    Red blood cells
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer 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.
    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.
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Red blood cells in bloodstream — Stock Photo
    Red blood cells in bloodstream
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Close-up view of vacutainer with needle on tray. — Stock Photo
    Close-up view of vacutainer with needle on tray.
    Normal human red blood cell — Stock Photo
    Normal human red blood cell
    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.
    Donor blood being separated into component parts in bag. — Stock Photo
    Donor blood being separated into component parts in bag.
    Blood samples in centrifuge tubes on white background. — Stock Photo
    Blood samples in centrifuge tubes on white background.
    Bags of donated blood in laboratory. — Stock Photo
    Bags of donated blood in laboratory.
    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.
    Human white blood cell — Stock Photo
    Human white blood cell
    Red and white blood cells — Stock Photo
    Red and white blood cells
    Red blood cells in a blood vessel — Stock Photo
    Red blood cells in a blood vessel
    White blood cell engulfing bacteria — Stock Photo
    White blood cell engulfing bacteria
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Red blood cells — Stock Photo
    Red blood cells
    Red blood cells — Stock Photo
    Red blood cells