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    Close-up of micropipette pipetting blood sample into petri dish. — Stock Photo
    Close-up of micropipette pipetting blood sample into petri dish.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Biological samples in test tubes and Petri dishes on laboratory table. — Stock Photo
    Biological samples in test tubes and Petri dishes on laboratory table.
    Close-up of microcentrifuge tubes with blood samples. — Stock Photo
    Close-up of microcentrifuge tubes with blood samples.
    Close-up of microcentrifuge tubes with blood samples. — Stock Photo
    Close-up of microcentrifuge tubes with blood samples.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    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.
    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.
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes.
    Racks of samples in test tubes and Petri dishes on laboratory table. — Stock Photo
    Racks of samples in test tubes and Petri dishes on laboratory table.
    Blood samples for testing in microcentrifuge tubes. — Stock Photo
    Blood samples for testing in microcentrifuge tubes.
    Machine for automated analysis of donated blood. — Stock Photo
    Machine for automated analysis of donated blood.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Test tubes with red liquid in rack. — Stock Photo
    Test tubes with red liquid in rack.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Close-up of scientist holding blood testing microtubes. — Stock Photo
    Close-up of scientist holding blood testing microtubes.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Labelled vacutainer tubes containing blood samples, close-up. — Stock Photo
    Labelled vacutainer tubes containing blood samples, close-up.
    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.
    Blood bags against white background. — Stock Photo
    Blood bags against white background.
    Researcher preparing samples of donated blood for analysis. — Stock Photo
    Researcher preparing samples of donated blood for analysis.
    Blood samples in centrifuge tubes on white background. — Stock Photo
    Blood samples in centrifuge tubes on white background.
    Labelled vacutainer tubes containing blood samples, close-up. — Stock Photo
    Labelled vacutainer tubes containing blood samples, close-up.
    Researcher using a light microscope for studying tube containing blood sample. — Stock Photo
    Researcher using a light microscope for studying tube containing blood sample.
    Close-up of containers for blood group test. — Stock Photo
    Close-up of containers for blood group test.
    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.
    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.
    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.
    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.
    Blood samples in centrifuge tubes on white background. — Stock Photo
    Blood samples in centrifuge tubes on white background.
    Cropped view of scientist hands holding samples for biological research. — Stock Photo
    Cropped view of scientist hands holding samples for biological research.
    Labelled vacutainer tubes containing blood samples, close-up. — Stock Photo
    Labelled vacutainer tubes containing blood samples, close-up.
    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.
    Blood sample in kidney dish with urine sample on table. — Stock Photo
    Blood sample in kidney dish with urine sample on table.
    Syringe dripping blood droplet into test tubes. — Stock Photo
    Syringe dripping blood droplet into test tubes.
    Female scientist holding blood samples in test tubes. — Stock Photo
    Female scientist holding blood samples in test tubes.
    Barcodes on test tubes with blood samples. — Stock Photo
    Barcodes on test tubes with blood samples.
    Labelled test tubes with blood samples. — Stock Photo
    Labelled test tubes with blood samples.
    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.
    Close-up view of tubes with blood samples. — Stock Photo
    Close-up view of tubes with blood samples.
    Labelled test tubes with blood samples. — Stock Photo
    Labelled test tubes with blood samples.
    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.
    Anatomy of female kidneys reproductive organs — Stock Photo
    Anatomy of female kidneys reproductive organs
    Tubes containing blood samples — Stock Photo
    Tubes containing blood samples
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Normal human arteries, — Stock Photo
    Normal human arteries,
    Normal human arteries, — Stock Photo
    Normal human arteries,