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    Digital illustration of nit egg of human head louse attached to human hair. — Stock Photo
    Digital illustration of nit egg of human head louse attached to human hair.
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes.
    Vegan tapioca pasta with beluga lentils, kale, blood oranges and coriander — Stock Photo
    Vegan tapioca pasta with beluga lentils, kale, blood oranges and coriander
    Oranges and blood oranges being juiced in hand juicer — Stock Photo
    Oranges and blood oranges being juiced in hand juicer
    Malaria infection infecting red blood cells, digital illustration. — Stock Photo
    Malaria infection infecting red blood cells, digital illustration.
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual illustration.
    Side view of male doctor checking blood pressure of senior patient blood pressure gauge at clinic — Stock Photo
    Side view of male doctor checking blood pressure of senior patient blood pressure gauge at clinic
    Illustration of stent inside of human fatty artery. — Stock Photo
    Illustration of stent inside of human fatty artery.
    Rear view of young asian male doctor checking blood pressure of caucasian boy patient in clinic. Male doctor using sphygmomanometer — Stock Photo
    Rear view of young asian male doctor checking blood pressure of caucasian boy patient in clinic. Male doctor using sphygmomanometer
    Trichomonas vaginalis causing trichomoniasis and neutrophils, digital illustration. — Stock Photo
    Trichomonas vaginalis causing trichomoniasis and neutrophils, digital illustration.
    Medical samples — Stock Photo
    Medical samples
    Laboratory technicians working together in blood bank — Stock Photo
    Laboratory technicians working together in blood bank
    Microfilaria worms in a blood smear — Stock Photo
    Microfilaria worms in a blood smear
    Senior woman checking blood pressure on a monitor at home — Stock Photo
    Senior woman checking blood pressure on a monitor at home
    Male vascular system — Stock Photo
    Male vascular system
    Red human heart on black background, computer illustration. — Stock Photo
    Red human heart on black background, computer illustration.
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    3d rendered illustration of human heart. — Stock Photo
    3d rendered illustration of human heart.
    Cross-section of the human eye, 3d illustration. — Stock Photo
    Cross-section of the human eye, 3d illustration.
    Illustration of schistosoma blood fluke flatworm. — Stock Photo
    Illustration of schistosoma blood fluke flatworm.
    Stent and balloon catheter for implantation into blood vessel, digital illustration. — Stock Photo
    Stent and balloon catheter for implantation into blood vessel, digital illustration.
    Cardiovascular system in normal male body, computer illustration. — Stock Photo
    Cardiovascular system in normal male body, computer illustration.
    Mucosa of the trachea — Stock Photo
    Mucosa of the trachea
    Female body with visible heart and cardiovascular system, digital illustration. — Stock Photo
    Female body with visible heart and cardiovascular system, digital illustration.
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration. — Stock Photo
    Erythrocytes and leukocytes blood cells in human blood vessel, digital illustration.
    Blood stream and artery walls — Stock Photo
    Blood stream and artery walls
    Digital illustration of cross-section of blood vessel with acute lymphoblastic leukaemia showing abundant lymphoblasts. — Stock Photo
    Digital illustration of cross-section of blood vessel with acute lymphoblastic leukaemia showing abundant lymphoblasts.
    Narrowed artery causing atherosclerosis — Stock Photo
    Narrowed artery causing atherosclerosis
    Shoulder blood supply — Stock Photo
    Shoulder blood supply
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    Human heart with coronary blood vessels, digital illustration. — Stock Photo
    Human heart with coronary blood vessels, digital illustration.
    E. coli bacteria in blood stream — Stock Photo
    E. coli bacteria in blood stream
    Back view of anonymous fearless toreador performing holding capote with wild bull on bullring during corrida festival — Stock Photo
    Back view of anonymous fearless toreador performing holding capote with wild bull on bullring during corrida festival
    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.
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Nanoparticles in blood — Stock Photo
    Nanoparticles in blood
    Paramedics examining injured woman on street — Stock Photo
    Paramedics examining injured woman on street
    Bacteria amidst blood cells in blood vessel, digital illustration. — Stock Photo
    Bacteria amidst blood cells in blood vessel, digital illustration.
    Closeup view of Tatin tart with apple and blood sausage — Stock Photo
    Closeup view of Tatin tart with apple and blood sausage
    Close-up of person hand pushing bulb of blood pressure gauge. — Stock Photo
    Close-up of person hand pushing bulb of blood pressure gauge.
    Nurse tigthing a blood pressure meters to a patient female — Stock Photo
    Nurse tigthing a blood pressure meters to a patient female
    Ebola virus particles in blood, digital illustration. — Stock Photo
    Ebola virus particles in blood, digital illustration.
    Coloured scanning electron micrograph (SEM) of human myeloid white blood cells found in bone marrow. — Stock Photo
    Coloured scanning electron micrograph (SEM) of human myeloid white blood cells found in bone marrow.
    Forensics expert dusting for fingerprints at crime scene. — Stock Photo
    Forensics expert dusting for fingerprints at crime scene.
    Structure of dog vascular system with colorful blood vessels in transparent body, cropped, computer illustration. — Stock Photo
    Structure of dog vascular system with colorful blood vessels in transparent body, cropped, computer illustration.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Cardiovascular system of an adult — Stock Photo
    Cardiovascular system of an adult
    Illustration of platelets (thrombocytes) that have been activated (with extensions) and those that are non-activated. Platelets are part of the blood. When a blood vessel is damaged, the platelets become activated and secrete chemicals that cause the — Stock Photo
    Illustration of platelets (thrombocytes) that have been activated (with extensions) and those that are non-activated. Platelets are part of the blood. When a blood vessel is damaged, the platelets become activated and secrete chemicals that cause the
    Veins in transparent dog body, cropped, anatomical computer illustration. — Stock Photo
    Veins in transparent dog body, cropped, anatomical computer illustration.
    Illustration of eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    Tube with blood sample on metal tray in laboratory, close-up. — Stock Photo
    Tube with blood sample on metal tray in laboratory, close-up.
    Male head and neck anatomy, digital illustration. — Stock Photo
    Male head and neck anatomy, digital illustration.
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Doctor reading the results of blood test while holding blood sample. — Stock Photo
    Doctor reading the results of blood test while holding blood sample.
    Adult parasitic louse — Stock Photo
    Adult parasitic louse
    Laboratory technician checking invoices in blood bank — Stock Photo
    Laboratory technician checking invoices in blood bank
    Wedge of blood orange — Stock Photo
    Wedge of blood orange
    Transparent female body silhouette with yellow colored spleen, digital illustration. — Stock Photo
    Transparent female body silhouette with yellow colored spleen, digital illustration.
    Male upper body anatomy and internal organs, computer illustration. — Stock Photo
    Male upper body anatomy and internal organs, computer illustration.