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    Neutrophil white blood cell in blood, digital artwork. — Stock Photo
    Neutrophil white blood cell in blood, digital artwork.
    Illustration of human blood cells in blood stream. — Stock Photo
    Illustration of human blood cells in blood stream.
    Healthy Red blood cells — Stock Photo
    Healthy Red blood cells
    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.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Researcher hand holding vacutainer tube in front of yellow tray. — Stock Photo
    Researcher hand holding vacutainer tube in front of yellow tray.
    Hand holding a multiwell tray containing blood samples. — Stock Photo
    Hand holding a multiwell tray containing blood samples.
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    Close-up view of vacutainer with needle on tray. — Stock Photo
    Close-up view of vacutainer with needle on tray.
    Blood collection kit — Stock Photo
    Blood collection kit
    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
    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.
    Stacked Petri dishes with blood samples. — Stock Photo
    Stacked Petri dishes with blood samples.
    Bone marrow cellular structure — Stock Photo
    Bone marrow cellular structure
    Bone marrow cellular structure — Stock Photo
    Bone marrow cellular structure
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Donor blood being separated into component parts in bags. — Stock Photo
    Donor blood being separated into component parts in bags.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Blood clot formed by red blood cells — Stock Photo
    Blood clot formed by red blood cells
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Doctor reading the results of blood test while holding blood sample. — Stock Photo
    Doctor reading the results of blood test while holding blood sample.
    Person donating blood — Stock Photo
    Person donating blood
    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.
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.
    Neutrophil white blood cell in blood, digital artwork. — Stock Photo
    Neutrophil white blood cell in blood, digital artwork.
    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.
    Labelled vacutainer tubes containing blood samples, close-up. — Stock Photo
    Labelled vacutainer tubes containing blood samples, close-up.
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand. — Stock Photo
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand.
    Red blood cells, computer illustration — Stock Photo
    Red blood cells, computer illustration
    Human blood, computer illustration — Stock Photo
    Human blood, computer illustration
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration. — Stock Photo
    Active platelets in human blood with erythrocytes and leukocytes, computer illustration.
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    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.
    Scientist examining specimen under microscope during clinical trial in laboratory. — Stock Photo
    Scientist examining specimen under microscope during clinical trial in laboratory.
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Molecules of insulin circulating in the blood stream — Stock Photo
    Molecules of insulin circulating in the blood stream
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Gloved hand holding blood sample in test tube. — Stock Photo
    Gloved hand holding blood sample in test tube.
    Blood clot formation — Stock Photo
    Blood clot formation
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Glass phial with blood sample. — Stock Photo
    Glass phial with blood sample.
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Hand of researcher holding vacutainer tube above pool of blood and syringe. — Stock Photo
    Hand of researcher holding vacutainer tube above pool of blood and syringe.
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Red blood cells on black background, digital illustration. — Stock Photo
    Red blood cells on black background, digital illustration.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Centrifuging blood samples with motion blur, digital illustration. — Stock Photo
    Centrifuging blood samples with motion blur, 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.
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration.
    Red blood cells — Stock Photo
    Red blood cells
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Cut in an artery seen from its interior — Stock Photo
    Cut in an artery seen from its interior