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    Blood-stained shirt as forensic evidence in laboratory. — Stock Photo
    Blood-stained shirt as forensic evidence in laboratory.
    Stacked Petri dishes with blood samples. — Stock Photo
    Stacked Petri dishes with blood samples.
    Blood in human urine in sample pots, studio shot. — Stock Photo
    Blood in human urine in sample pots, studio shot.
    Petri dishes with blood agar on blue background. — Stock Photo
    Petri dishes with blood agar on blue background.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration. — Stock Photo
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Petri dishes with blood agar on blue background. — Stock Photo
    Petri dishes with blood agar on blue background.
    3d illustration of cancer cell attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cell attacked and killed by lymphocytes.
    Pipetting blood sample, close-up. — Stock Photo
    Pipetting blood sample, close-up.
    Forensic scientist taking swab from blood-stained shirt as forensic evidence. — Stock Photo
    Forensic scientist taking swab from blood-stained shirt as forensic evidence.
    Hand of researcher holding vacutainer tube above pool of blood and syringe. — Stock Photo
    Hand of researcher holding vacutainer tube above pool of blood and syringe.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Blood samples ready for analysis — Stock Photo
    Blood samples ready for analysis
    Hand of technician holding hepatitis sample for testing in laboratory. — Stock Photo
    Hand of technician holding hepatitis sample for testing in laboratory.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    3d illustration of cancer cell attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cell attacked and killed by lymphocytes.
    Single test tube with blood sample. — Stock Photo
    Single test tube with blood sample.
    Petri dishes with blood samples on plain background. — Stock Photo
    Petri dishes with blood samples on plain background.
    Close-up of pipetting sample into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting sample into microcentrifuge tubes.
    Closeup set of medical flasks with blood samples arranged in container in modern hospital laboratory — Stock Photo
    Closeup set of medical flasks with blood samples arranged in container in modern hospital laboratory
    Forensic evidence collection with knife for DNA forensic test. — Stock Photo
    Forensic evidence collection with knife for DNA forensic test.
    Agar plate and specimen brush on blue background. — Stock Photo
    Agar plate and specimen brush on blue background.
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of micropipette pipetting blood sample into microcentrifuge tubes.
    Blood sample in kidney dish with urine sample on table. — Stock Photo
    Blood sample in kidney dish with urine sample on table.
    Petri dishes with blood agar stacked on blue background. — Stock Photo
    Petri dishes with blood agar stacked on blue background.
    Microscope and pile on Petri dishes in laboratory on blue background. — Stock Photo
    Microscope and pile on Petri dishes in laboratory on blue background.
    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 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.
    Agar plate and specimen brush on blue background. — Stock Photo
    Agar plate and specimen brush on blue background.
    B-lymphocyte cells, computer illustration — Stock Photo
    B-lymphocyte cells, computer illustration
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    3d illustration of leukocyte cells secreting allergen antibodies while allergy. — Stock Photo
    3d illustration of leukocyte cells secreting allergen antibodies while allergy.
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Close-up of microcentrifuge tubes with blood samples. — Stock Photo
    Close-up of microcentrifuge tubes with blood samples.
    Close-up of micropipette pipetting blood sample into Petri dishes. — Stock Photo
    Close-up of micropipette pipetting blood sample into Petri dishes.
    Nurse tests a person for Covid-19. — Stock Photo
    Nurse tests a person for Covid-19.
    Blood samples in PCR tubes. — Stock Photo
    Blood samples in PCR tubes.
    Green illumination of centrifuge with biohazard test tubes, biological research digital illustration. — Stock Photo
    Green illumination of centrifuge with biohazard test tubes, biological research digital illustration.
    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 human blood and various hematology samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hematology samples in test tubes while screening in medical lab.
    Close-up of pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting blood sample into microcentrifuge tubes.
    Test tubes with red liquid in rack. — Stock Photo
    Test tubes with red liquid in rack.
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    B-lymphocyte cells, computer illustration — Stock Photo
    B-lymphocyte cells, computer illustration
    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.
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Medical samples — Stock Photo
    Medical samples
    Blood samples in a multi well plate during a clinical trial. — Stock Photo
    Blood samples in a multi well plate during a clinical trial.
    Stacked Petri dishes with blood samples. — Stock Photo
    Stacked Petri dishes with blood samples.
    Forensic scientist at scene of crime collecting DNA sample from knife as forensic evidence. — Stock Photo
    Forensic scientist at scene of crime collecting DNA sample from knife as forensic evidence.
    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.
    3d illustration of a cross-section of the human eye in a side view. — Stock Photo
    3d illustration of a cross-section of the human eye in a side view.
    DNA researcher pipetting into tube with reference in background. — Stock Photo
    DNA researcher pipetting into tube with reference in background.
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    3d rendering of a virus — Stock Photo
    3d rendering of a virus
    Female scientist holding tube with blood sample. — Stock Photo
    Female scientist holding tube with blood sample.
    Forensic evidence collection with knife for DNA forensic test. — Stock Photo
    Forensic evidence collection with knife for DNA forensic test.
    Blood samples for testing in microcentrifuge tubes. — Stock Photo
    Blood samples for testing in microcentrifuge tubes.
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system