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    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.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Female scientist holding blood sample by microscope in laboratory. — Stock Photo
    Female scientist holding blood sample by microscope in laboratory.
    Researcher hand holding vacutainer tube in front of yellow tray. — Stock Photo
    Researcher hand holding vacutainer tube in front of yellow tray.
    Blood sample in kidney dish with urine sample on table. — Stock Photo
    Blood sample in kidney dish with urine sample on table.
    Female scientist holding blood sample by microscope in laboratory. — Stock Photo
    Female scientist holding blood sample by microscope in laboratory.
    Syringe dripping blood droplet into test tubes. — Stock Photo
    Syringe dripping blood droplet into test tubes.
    Close-up of blood sample in kidney dish. — Stock Photo
    Close-up of blood sample in kidney dish.
    Barcodes on test tubes with blood samples. — Stock Photo
    Barcodes on test tubes with blood samples.
    Pool of blood in watch glass with syringe. — Stock Photo
    Pool of blood in watch glass with syringe.
    Labelled test tubes with blood samples. — Stock Photo
    Labelled test tubes with blood samples.
    Spilt blood sample on white background. — Stock Photo
    Spilt blood sample on white background.
    Blood samples in syringes on white background. — Stock Photo
    Blood samples in syringes on white background.
    Blood samples in test tubes on white background. — Stock Photo
    Blood samples in test tubes on white background.
    Barcodes on test tubes with blood samples. — Stock Photo
    Barcodes on test tubes with blood samples.
    Donated blood in bag on white background. — Stock Photo
    Donated blood in bag on white background.
    Spilt blood sample on white background. — Stock Photo
    Spilt blood sample on white background.
    Researcher hand selecting labelled test tubes with blood samples. — Stock Photo
    Researcher hand selecting labelled test tubes with blood samples.
    Pool of blood in watch glass with syringe. — Stock Photo
    Pool of blood in watch glass with syringe.
    Labelled test tubes with blood samples. — Stock Photo
    Labelled test tubes with blood samples.
    Blood sample and syringe on table. — Stock Photo
    Blood sample and syringe on table.
    Labelled test tubes with blood samples. — Stock Photo
    Labelled test tubes with blood samples.
    Close-up of rack of sample tubes with blood for analysis. — Stock Photo
    Close-up of rack of sample tubes with blood for analysis.
    Blood samples tubes in polystyrene tray. — Stock Photo
    Blood samples tubes in polystyrene tray.
    Narrowed blood vessel, computer illustration. — Stock Photo
    Narrowed blood vessel, computer illustration.
    Person holding blood bag — Stock Photo
    Person holding blood bag
    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).
    Person donating blood in the hospital, cropped — Stock Photo
    Person donating blood in the hospital, cropped
    Blood samples — Stock Photo
    Blood samples
    Health screening — Stock Photo
    Health screening
    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).
    Medical samples — Stock Photo
    Medical samples
    Blood collection kit — Stock Photo
    Blood collection kit
    Medical samples — Stock Photo
    Medical samples
    Medical samples — Stock Photo
    Medical samples
    Healthcare worker sorting bags of blood — Stock Photo
    Healthcare worker sorting bags of blood
    Researcher taking blood sample — Stock Photo
    Researcher taking blood sample
    Blood bags in container — Stock Photo
    Blood bags in container
    Healthcare worker sorting bags of blood — Stock Photo
    Healthcare worker sorting bags of blood
    Blood samples — Stock Photo
    Blood samples
    Person donating blood — Stock Photo
    Person donating blood
    Used surgical swab — Stock Photo
    Used surgical swab
    Used surgical swab — Stock Photo
    Used surgical swab
    Pathological anatomy of atherosclerosis — Stock Photo
    Pathological anatomy of atherosclerosis
    Person donating blood — Stock Photo
    Person donating blood
    Person giving blood — Stock Photo
    Person giving blood
    Tubes containing blood samples — Stock Photo
    Tubes containing blood samples
    Cut in an artery seen from its interior — Stock Photo
    Cut in an artery seen from its interior
    Bone marrow cellular structure — Stock Photo
    Bone marrow cellular structure
    Atherosclerosis harming blood vessel — Stock Photo
    Atherosclerosis harming blood vessel
    Bone marrow cellular structure — Stock Photo
    Bone marrow cellular structure
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Red blood cells — Stock Photo
    Red blood cells
    Blood samples ready for analysis — Stock Photo
    Blood samples ready for analysis
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Donated blood in plastic bag — Stock Photo
    Donated blood in plastic bag