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    Cropped view of scientist hands holding samples for biological research. — Stock Photo
    Cropped view of scientist hands holding samples for biological research.
    Male body silhouette showing heart anatomy, computer illustration. — Stock Photo
    Male body silhouette showing heart anatomy, computer illustration.
    Summer Mixed Cocktails with fresh lemons, oranges and leaves — Stock Photo
    Summer Mixed Cocktails with fresh lemons, oranges and leaves
    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.
    Anatomy of human skin — Stock Photo
    Anatomy of human skin
    Blood oranges and clementines — Stock Photo
    Blood oranges and clementines
    Portrait of wild cheetah with prey in South Africa, Mpumalanga — Stock Photo
    Portrait of wild cheetah with prey in South Africa, Mpumalanga
    Atherosclerosis harming blood vessel — Stock Photo
    Atherosclerosis harming blood vessel
    Nervous and circulatory systems — Stock Photo
    Nervous and circulatory systems
    Brain anatomy showing blood supply system — Stock Photo
    Brain anatomy showing blood supply system
    Illustration of fat inside of human artery. — Stock Photo
    Illustration of fat inside of human artery.
    Human heart against blue background, illustration. — Stock Photo
    Human heart against blue background, illustration.
    Red blood cells in a blood vessel — Stock Photo
    Red blood cells in a blood vessel
    Transparent female body silhouette with yellow colored spleen, digital illustration. — Stock Photo
    Transparent female body silhouette with yellow colored spleen, digital illustration.
    Half blood orange — Stock Photo
    Half blood orange
    Coloured scanning electron micrograph (SEM) of a section through healthy skin. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through healthy skin.
    Human femur structural anatomy — Stock Photo
    Human femur structural anatomy
    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.
    Mid section of butcher chopping red meat at butchers shop — Stock Photo
    Mid section of butcher chopping red meat at butchers shop
    Structure and shape of basophil — Stock Photo
    Structure and shape of basophil
    Human compact bone tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human compact bone tissue, light micrograph. Haematoxylin and eosin stain.
    Laboratory technician holding plasma bags in blood bank — Stock Photo
    Laboratory technician holding plasma bags in blood bank
    Atherosclerosis and narrowed artery — Stock Photo
    Atherosclerosis and narrowed artery
    Shoulder blood supply — Stock Photo
    Shoulder blood supply
    Tick on human skin, computer illustration. — Stock Photo
    Tick on human skin, computer illustration.
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer 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.
    Blood-stained shirt as forensic evidence in laboratory. — Stock Photo
    Blood-stained shirt as forensic evidence in laboratory.
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    Researcher extracting blood from a vial — Stock Photo
    Researcher extracting blood from a vial
    Paramedics examining injured girl on street — Stock Photo
    Paramedics examining injured girl on street
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Structure of eosinophil blood cell — Stock Photo
    Structure of eosinophil blood cell
    First-aiders practicing cardiopulmonary resuscitation on training dummy. — Stock Photo
    First-aiders practicing cardiopulmonary resuscitation on training dummy.
    B-lymphocyte cells, computer illustration — Stock Photo
    B-lymphocyte cells, computer illustration
    Parasitic tick feeding — Stock Photo
    Parasitic tick feeding
    Atherosclerosis and narrowed artery — Stock Photo
    Atherosclerosis and narrowed artery
    Male body with visible vascular system, computer illustration. — Stock Photo
    Male body with visible vascular system, computer illustration.
    Digital illustration of mosquito sucking blood on skin. — Stock Photo
    Digital illustration of mosquito sucking blood on skin.
    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.
    Cropped shot of physician measuring patient'd blood pressure with tonometer — Stock Photo
    Cropped shot of physician measuring patient'd blood pressure with tonometer
    T-lymphocytes attacking a cancer cell — Stock Photo
    T-lymphocytes attacking a cancer cell
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Pan-fried foie gras — Stock Photo
    Pan-fried foie gras
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Close-up of blood sample in glass phial. — Stock Photo
    Close-up of blood sample in glass phial.
    Red blood cells — Stock Photo
    Red blood cells
    Red blood cells, computer illustration — Stock Photo
    Red blood cells, computer illustration
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoan Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Male abdominal blood vessels, digital illustration. — Stock Photo
    Male abdominal blood vessels, digital illustration.
    Blood pressure and circulatory system — Stock Photo
    Blood pressure and circulatory system
    Activated platelets in a blood smear with red blood cells, illustration. — Stock Photo
    Activated platelets in a blood smear with red blood cells, illustration.
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Variety of fruits in wooden boxes at supermarket — Stock Photo
    Variety of fruits in wooden boxes at supermarket
    3d illustration of cross-section of human eye in side view and frontal view. — Stock Photo
    3d illustration of cross-section of human eye in side view and frontal view.
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Low angle side view of young female in protective mask browsing smartphone during procedure of blood transfusion in hospital — Stock Photo
    Low angle side view of young female in protective mask browsing smartphone during procedure of blood transfusion in hospital