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    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Female researcher preparing multi-well sample tray of blood for analysis. — Stock Photo
    Female researcher preparing multi-well sample tray of blood for analysis.
    Close-up of tube and syringe in hematology laboratory with scientist in background. — Stock Photo
    Close-up of tube and syringe in hematology laboratory with scientist in background.
    Researcher preparing samples of donated blood for analysis. — Stock Photo
    Researcher preparing samples of donated blood for analysis.
    Blood samples tubes in polystyrene tray. — Stock Photo
    Blood samples tubes in polystyrene tray.
    Close-up of tube and syringe in hematology laboratory with scientist in background. — Stock Photo
    Close-up of tube and syringe in hematology laboratory with scientist in background.
    Pile of filled medical tesing tubes — Stock Photo
    Pile of filled medical tesing tubes
    Syringe dripping blood droplet into test tubes. — Stock Photo
    Syringe dripping blood droplet into test tubes.
    Male scientist doing medical testing of sample under microscope. — Stock Photo
    Male scientist doing medical testing of sample under microscope.
    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.
    Close-up view of researcher hand taking blood sample from rack of medical samples. — Stock Photo
    Close-up view of researcher hand taking blood sample from rack of medical samples.
    Close-up view of tubes with blood samples. — Stock Photo
    Close-up view of tubes with blood samples.
    Pipette and petri dishes for blood testing. — Stock Photo
    Pipette and petri dishes for blood testing.
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Researcher taking blood sample — Stock Photo
    Researcher taking blood sample
    Scientist hand holding blood drop sample on microscope slide, studio shot. — Stock Photo
    Scientist hand holding blood drop sample on microscope slide, studio shot.
    Close-up of rack of sample tubes with blood for analysis. — Stock Photo
    Close-up of rack of sample tubes with blood for analysis.
    Doctor using a lance to take a finger prick blood sample from a patient. — Stock Photo
    Doctor using a lance to take a finger prick blood sample from a patient.
    Cropped shot of hands of woman testing cholesterol. — Stock Photo
    Cropped shot of hands of woman testing cholesterol.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Scientist hand holding blood drop sample on microscope slide, studio shot. — Stock Photo
    Scientist hand holding blood drop sample on microscope slide, studio shot.
    Female scientist holding blood sample by microscope in laboratory. — Stock Photo
    Female scientist holding blood sample by microscope in laboratory.
    Mature woman testing blood pressure with machine. — Stock Photo
    Mature woman testing blood pressure with machine.
    Close-up of female hand using pen-like lancing device for prick test. — Stock Photo
    Close-up of female hand using pen-like lancing device for prick test.
    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.
    Researcher using a light microscope for studying tube containing blood sample. — Stock Photo
    Researcher using a light microscope for studying tube containing blood sample.
    Biologist with protective gloves performing a coronavirus test on a person in a car — Stock Photo
    Biologist with protective gloves performing a coronavirus test on a person in a car
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    Scientists preparing multiwell plate with blood samples for testing and analysis. — Stock Photo
    Scientists preparing multiwell plate with blood samples for testing and analysis.
    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.
    Blood sample awaiting testing in laboratory, close-up with selective focus. — Stock Photo
    Blood sample awaiting testing in laboratory, close-up with selective focus.
    Female scientist holding blood sample by microscope in laboratory. — Stock Photo
    Female scientist holding blood sample by microscope in laboratory.
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Cropped view of doctor holding vial of blood for testing. — Stock Photo
    Cropped view of doctor holding vial of blood for testing.
    Mother helping son test blood sugar — Stock Photo
    Mother helping son test blood sugar
    Biologist with protective gloves performing a coronavirus test on a person in a car — Stock Photo
    Biologist with protective gloves performing a coronavirus test on a person in a car
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Biologist with protective gloves performing a coronavirus test on a person in a car — Stock Photo
    Biologist with protective gloves performing a coronavirus test on a person in a car
    Close-up of hands of mature woman using paper strip to test blood glucose. — Stock Photo
    Close-up of hands of mature woman using paper strip to test blood glucose.
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Close-up of human urine, blood and various chemistry samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human urine, blood and various chemistry samples in test tubes while screening in medical lab.
    Light microscope with petri dishes on blue background. — Stock Photo
    Light microscope with petri dishes on blue background.
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    Blood samples in a multi well plate during a clinical trial. — Stock Photo
    Blood samples in a multi well plate during a clinical trial.
    Woman taking her own blood sugar — Stock Photo
    Woman taking her own blood sugar
    Close-up of hands of mature woman using paper strip to test blood glucose. — Stock Photo
    Close-up of hands of mature woman using paper strip to test blood glucose.
    Pool of blood in watch glass with syringe. — Stock Photo
    Pool of blood in watch glass with syringe.
    Doctor giving young girl finger prick test. — Stock Photo
    Doctor giving young girl finger prick test.
    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.
    Close-up of scientist holding blood testing microtubes. — Stock Photo
    Close-up of scientist holding blood testing microtubes.
    Health screening — Stock Photo
    Health screening
    Machine for automated analysis of donated blood. — Stock Photo
    Machine for automated analysis of donated blood.
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab.
    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.
    Doctor reading the results of blood test while holding blood sample. — Stock Photo
    Doctor reading the results of blood test while holding blood sample.
    Biologist with protective gloves performing a coronavirus test on a person in a car — Stock Photo
    Biologist with protective gloves performing a coronavirus test on a person in a car
    Mid adult woman doing pin prick test on finger. — Stock Photo
    Mid adult woman doing pin prick test on finger.