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    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.
    Close-up of stethoscope alongside blood sample in test tube, syringe and medical vial in a clinic. — Stock Photo
    Close-up of stethoscope alongside blood sample in test tube, syringe and medical vial in a clinic.
    Blood sampling vacutainer tubes in rack, close-up. — Stock Photo
    Blood sampling vacutainer tubes in rack, close-up.
    Doctor giving young girl finger prick test. — Stock Photo
    Doctor giving young girl finger prick test.
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand. — Stock Photo
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand.
    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.
    Blood sample in kidney dish with urine sample on table. — Stock Photo
    Blood sample in kidney dish with urine sample on table.
    Cropped shot of hands of woman testing cholesterol. — Stock Photo
    Cropped shot of hands of woman testing cholesterol.
    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 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.
    Close-up of hands of mature woman testing blood glucose with finger prick test. — Stock Photo
    Close-up of hands of mature woman testing blood glucose with finger prick test.
    Blood in human urine in sample pots, studio shot. — Stock Photo
    Blood in human urine in sample pots, studio shot.
    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.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Little girl having finger prick test in medical clinic. — Stock Photo
    Little girl having finger prick test in medical clinic.
    Close-up view of tubes with blood samples. — Stock Photo
    Close-up view of tubes with blood samples.
    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.
    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.
    Mature woman testing blood pressure with machine. — Stock Photo
    Mature woman testing blood pressure with machine.
    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.
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Medical samples — Stock Photo
    Medical samples
    Doctor reading the results of blood test while holding blood sample. — Stock Photo
    Doctor reading the results of blood test while holding blood sample.
    Mature woman testing blood pressure with machine. — Stock Photo
    Mature woman testing blood pressure with machine.