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    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Close-up of multiple test stick being placed into urine sample tube by female doctor. — Stock Photo
    Close-up of multiple test stick being placed into urine sample tube by female doctor.
    Rear view of scientist operating with display on wall — Stock Photo
    Rear view of scientist operating with display on wall
    Female doctor teaching diabetic patient how to use glucometer in doctors office — Stock Photo
    Female doctor teaching diabetic patient how to use glucometer in doctors office
    Close-up of red glass microtiter plate. — Stock Photo
    Close-up of red glass microtiter plate.
    Close-up of scientist pipetting sample into eppendorf tube during experiment in laboratory. — Stock Photo
    Close-up of scientist pipetting sample into eppendorf tube during experiment in laboratory.
    Medical healthcare technologist holding COVID-19 swab collection kit, — Stock Photo
    Medical healthcare technologist holding COVID-19 swab collection kit,
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Close-up of lab-on-a-chip integrated circuit device on black background. — Stock Photo
    Close-up of lab-on-a-chip integrated circuit device on black background.
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial — Stock Photo
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial
    A father rinsing off the first test carrots from the garden — Stock Photo
    A father rinsing off the first test carrots from the garden
    Seedlings growing in laboratory test multiwell, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in laboratory test multiwell, conceptual image of plant research and genetic engineering.
    College students taking test at desks in classroom — Stock Photo
    College students taking test at desks in classroom
    Colorful Eppendorf tubes in rack on white background. — Stock Photo
    Colorful Eppendorf tubes in rack on white background.
    African american male doctor wearing face mask giving covid swab test to boy patient. medicine, health and healthcare services during coronavirus covid 19 pandemic. — Stock Photo
    African american male doctor wearing face mask giving covid swab test to boy patient. medicine, health and healthcare services during coronavirus covid 19 pandemic.
    Urine sample with test strip on white background. — Stock Photo
    Urine sample with test strip on white background.
    A little girl in safety goggles measures liquid into a test tube — Stock Photo
    A little girl in safety goggles measures liquid into a test tube
    Engineer walking by water treatment plant ultraviolet ionization treatment room — Stock Photo
    Engineer walking by water treatment plant ultraviolet ionization treatment room
    Female researcher holding medium tray. — Stock Photo
    Female researcher holding medium tray.
    Laboratory technician using refrigerated centrifuge machine in blood bank — Stock Photo
    Laboratory technician using refrigerated centrifuge machine in blood bank
    Pipetting samples machinery for gel electrophoresis. — Stock Photo
    Pipetting samples machinery for gel electrophoresis.
    Male college student taking test at desk in classroom — Stock Photo
    Male college student taking test at desk in classroom
    Optometrist examining patient eyes with eye test equipment in clinic — Stock Photo
    Optometrist examining patient eyes with eye test equipment in clinic
    Close-up of beaker, test tube rack and clipboard on table — Stock Photo
    Close-up of beaker, test tube rack and clipboard on table
    Close-up shot of surgeon with binoculars at work — Stock Photo
    Close-up shot of surgeon with binoculars at work
    Athlete participating in tes — Stock Photo
    Athlete participating in tes
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis. — Stock Photo
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis.
    Black woman in optometry cabinet during study of the eyesight — Stock Photo
    Black woman in optometry cabinet during study of the eyesight
    Female scientist taking notes in soil testing laboratory. — Stock Photo
    Female scientist taking notes in soil testing laboratory.
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Researcher hand selecting labelled test tubes with blood samples. — Stock Photo
    Researcher hand selecting labelled test tubes with blood samples.
    Optometrist adjusting eyeglasses on patient eyes in clinic — Stock Photo
    Optometrist adjusting eyeglasses on patient eyes in clinic
    Sliced cucumber in test tube, studio shot. — Stock Photo
    Sliced cucumber in test tube, studio shot.
    Female doctor testing urine with stick, close-up. — Stock Photo
    Female doctor testing urine with stick, close-up.
    Doctor with oximeter examining little patient — Stock Photo
    Doctor with oximeter examining little patient
    Young asian college students studying together — Stock Photo
    Young asian college students studying together
    Centrifuging blood samples with motion blur, digital illustration. — Stock Photo
    Centrifuging blood samples with motion blur, digital illustration.
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Optician using slit lamp for eye examination preteen girl. — Stock Photo
    Optician using slit lamp for eye examination preteen girl.
    Young female doctor standing in front of healthcare facility, wearing protective face mask and PPE equipment, holding medical patient clipboard, COVID-19 pandemic crisis — Stock Photo
    Young female doctor standing in front of healthcare facility, wearing protective face mask and PPE equipment, holding medical patient clipboard, COVID-19 pandemic crisis
    Bottles with color smoke — Stock Photo
    Bottles with color smoke
    Female teacher and students conducting chemical experiment — Stock Photo
    Female teacher and students conducting chemical experiment
    Eye test equipment in a laboratory — Stock Photo
    Eye test equipment in a laboratory
    Doctor giving young girl finger prick test. — Stock Photo
    Doctor giving young girl finger prick test.
    High school girl taking exam at desk in classroom — Stock Photo
    High school girl taking exam at desk in classroom
    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.
    Female medical specialist in protective uniform, latex gloves and face mask doing nasal swab test with cotton bud on African American female patient in clinic during coronavirus outbreak — Stock Photo
    Female medical specialist in protective uniform, latex gloves and face mask doing nasal swab test with cotton bud on African American female patient in clinic during coronavirus outbreak
    Female doctor teaching diabetic patient how to use glucometer in doctors office — Stock Photo
    Female doctor teaching diabetic patient how to use glucometer in doctors office
    Scientist removing medical samples from machine in lab — Stock Photo
    Scientist removing medical samples from machine in lab
    Scientist viewing sample on glass slide under light microscope. — Stock Photo
    Scientist viewing sample on glass slide under light microscope.
    Portrait of scientist putting on protective mask — Stock Photo
    Portrait of scientist putting on protective mask
    DNA home test kit. — Stock Photo
    DNA home test kit.
    College students taking test at desks in classroom — Stock Photo
    College students taking test at desks in classroom
    Professor watching college students taking test in classroom — Stock Photo
    Professor watching college students taking test in classroom
    Pipette and petri dishes for blood testing. — Stock Photo
    Pipette and petri dishes for blood testing.
    Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil. — Stock Photo
    Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil.
    Close-up of Blood oxygen monitor intensive care ward. — Stock Photo
    Close-up of Blood oxygen monitor intensive care ward.
    Middle-aged woman on an open MRI machine waiting for the test to begin — Stock Photo
    Middle-aged woman on an open MRI machine waiting for the test to begin
    Overhead view of pipettes in Pipetting plate in laboratory — Stock Photo
    Overhead view of pipettes in Pipetting plate in laboratory