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    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.
    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.
    Pool of blood in watch glass with syringe. — Stock Photo
    Pool of blood in watch glass with syringe.
    Researcher preparing samples of donated blood for analysis. — Stock Photo
    Researcher preparing samples of donated blood for analysis.
    Micropipette pipetting blood sample into Petri dish. — Stock Photo
    Micropipette pipetting blood sample into Petri dish.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Red blood cells — Stock Photo
    Red blood cells
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Scientist viewing sample on glass slide before light microscope. — Stock Photo
    Scientist viewing sample on glass slide before light microscope.
    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.
    Centrifuging blood samples, illustration. — Stock Photo
    Centrifuging blood samples, 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.
    Illustration of human blood cells in blood stream. — Stock Photo
    Illustration of human blood cells in blood stream.
    Scientist examining specimen under microscope during clinical trial in laboratory. — Stock Photo
    Scientist examining specimen under microscope during clinical trial in laboratory.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    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.
    White blood cells with red blood cells, computer illustration. — Stock Photo
    White blood cells with 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.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    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.
    Human blood cells, light micrograph. — Stock Photo
    Human blood cells, light micrograph.
    Red blood cells — Stock Photo
    Red blood cells
    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.
    Illustration of red and white blood cells in the bloodstream. — Stock Photo
    Illustration of red and white blood cells in the bloodstream.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Spilt blood sample on white background. — Stock Photo
    Spilt blood sample on white background.
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Neutrophil white blood cell in blood, digital artwork. — Stock Photo
    Neutrophil white blood cell in blood, digital artwork.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Donated blood in bag on white background. — Stock Photo
    Donated blood in bag on white background.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Blood sample and syringe on table. — Stock Photo
    Blood sample and syringe on table.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Illustration of eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    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.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital 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.
    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.
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes.
    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.
    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.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells 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.
    Blood bags against white background. — Stock Photo
    Blood bags against white background.
    Blood vessel with blood cells — Stock Photo
    Blood vessel with blood cells
    Machine for automated analysis of donated blood. — Stock Photo
    Machine for automated analysis of donated blood.
    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.
    Mature male doctor processing donor blood in bags. — Stock Photo
    Mature male doctor processing donor blood in bags.
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    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 samples in centrifuge tubes on white background. — Stock Photo
    Blood samples in centrifuge tubes on white background.
    Donor blood being separated into component parts in bags. — Stock Photo
    Donor blood being separated into component parts in bags.
    Human blood cells, light micrograph. — Stock Photo
    Human blood cells, light micrograph.
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration. — Stock Photo
    Active platelets in human blood with erythrocytes and leukocytes, computer 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).