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    Human papillomavirus particles in the bloodstream — Stock Photo
    Human papillomavirus particles in the bloodstream
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Arteries in transparent dog body, cropped, anatomical computer illustration. — Stock Photo
    Arteries in transparent dog body, cropped, anatomical computer illustration.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Donated blood in plastic bag — Stock Photo
    Donated blood in plastic bag
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Top view closeup of appetizing salad with quince in red sauce in plate — Stock Photo
    Top view closeup of appetizing salad with quince in red sauce in plate
    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.
    Atherosclerosis and narrowed artery — Stock Photo
    Atherosclerosis and narrowed artery
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Bloody cut hand dragging on ground — Stock Photo
    Bloody cut hand dragging on ground
    Light micrograph of red blood cells (erythrocytes, red) in a blood vessel. — Stock Photo
    Light micrograph of red blood cells (erythrocytes, red) in a blood vessel.
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Red blood cells — Stock Photo
    Red blood cells
    Skeletal and cardiovascular systems — Stock Photo
    Skeletal and cardiovascular systems
    Digital illustration of abnormal blood cells infected by hairy cell leukemia. — Stock Photo
    Digital illustration of abnormal blood cells infected by hairy cell leukemia.
    Realistic human heart model on black background, computer illustration. — Stock Photo
    Realistic human heart model on black background, computer illustration.
    Coloured magnetic resonance angiogram (MRA) of the arteries (white) supplying the kidneys (blue, upper left and right). — Stock Photo
    Coloured magnetic resonance angiogram (MRA) of the arteries (white) supplying the kidneys (blue, upper left and right).
    Illustration of eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    Trypanosoma brucei protozoan — Stock Photo
    Trypanosoma brucei protozoan
    Blood samples in centrifuge tubes on white background. — Stock Photo
    Blood samples in centrifuge tubes on white background.
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake — Stock Photo
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake
    Red and white blood cells aggregating — Stock Photo
    Red and white blood cells aggregating
    Cancer cells and white blood cells — Stock Photo
    Cancer cells and white blood cells
    Close-up of pipetting samples into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting samples into microcentrifuge tubes.
    Human blood cells, computer illustration — Stock Photo
    Human blood cells, computer illustration
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Close-up of external filter for treatment of patient with kidney failure. — Stock Photo
    Close-up of external filter for treatment of patient with kidney failure.
    Plasmodium vivax protozoan inside red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoan inside red blood cells, digital illustration.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Human brain haemorrhage, digital illustration. — Stock Photo
    Human brain haemorrhage, digital illustration.
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital — Stock Photo
    Crop female medical specialist in latex gloves performing injection with syringe to anonymous patient during procedure of blood transfusion in hospital
    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.
    Human veins anatomy — Stock Photo
    Human veins anatomy
    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).
    3d digital illustration of narrowed blood vessel. — Stock Photo
    3d digital illustration of narrowed blood vessel.
    Biological samples in test tubes and Petri dishes on laboratory table. — Stock Photo
    Biological samples in test tubes and Petri dishes on laboratory table.
    Malaria infection infecting red blood cells, digital illustration. — Stock Photo
    Malaria infection infecting red blood cells, digital illustration.
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Forensics expert in protective suit writing in clipboard collecting evidence from crime scene. — Stock Photo
    Forensics expert in protective suit writing in clipboard collecting evidence from crime scene.
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Neutrophil in human blood, computer illustration. — Stock Photo
    Neutrophil in human blood, computer illustration.
    Illustration of blood cells in injured artery. — Stock Photo
    Illustration of blood cells in injured artery.
    Human immunodeficiency virus infection — Stock Photo
    Human immunodeficiency virus infection
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Healthy cardiovascular system — Stock Photo
    Healthy cardiovascular system
    Nanobot in bloodstream with red erythrocytes, digital illustration. — Stock Photo
    Nanobot in bloodstream with red erythrocytes, digital illustration.
    Forensics expert photographing evidence at crime scene. — Stock Photo
    Forensics expert photographing evidence at crime scene.
    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.
    Crime scene markers and forensics expert collecting blood sample in background. — Stock Photo
    Crime scene markers and forensics expert collecting blood sample in background.
    Injured woman treated by paramedic at accident spot — Stock Photo
    Injured woman treated by paramedic at accident spot
    Female body with visible cardiovascular system, digital illustration. — Stock Photo
    Female body with visible cardiovascular system, digital illustration.