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    Hand holding multi well plate with samples with DNA results in background. — Stock Photo
    Hand holding multi well plate with samples with DNA results in background.
    Close-up of doctor holding cardio monitor — Stock Photo
    Close-up of doctor holding cardio monitor
    Optometrist examining patient eyes with ophthalmoscope in clinic — Stock Photo
    Optometrist examining patient eyes with ophthalmoscope in clinic
    Physician measuring body fat on triceps using calipers test on male athlete. — Stock Photo
    Physician measuring body fat on triceps using calipers test on male athlete.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Car salesman talking to couple — Stock Photo
    Car salesman talking to couple
    Dried marijuana flower buds on table with analytical balance and moisture measuring device in lab — Stock Photo
    Dried marijuana flower buds on table with analytical balance and moisture measuring device in lab
    Optometrist examining patient eyes with eye test equipment in clinic — Stock Photo
    Optometrist examining patient eyes with eye test equipment in clinic
    Scientific laboratory researcher using test tube while experiment. — Stock Photo
    Scientific laboratory researcher using test tube while experiment.
    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
    Doctor holding digital tablet and patient lying on x ray machine in hospital — Stock Photo
    Doctor holding digital tablet and patient lying on x ray machine in hospital
    Hand of laboratory technician with micro pipette sampling into test tube. — Stock Photo
    Hand of laboratory technician with micro pipette sampling into test tube.
    A father rinsing off the first test carrots from the garden — Stock Photo
    A father rinsing off the first test carrots from the garden
    Ophthalmologist helping boy wearing glasses while eye examination in clinic. — Stock Photo
    Ophthalmologist helping boy wearing glasses while eye examination in clinic.
    Female researcher pipetting liquid into test tube. — Stock Photo
    Female researcher pipetting liquid into test tube.
    Laboratory technician checking invoices in blood bank — Stock Photo
    Laboratory technician checking invoices in blood bank
    Insects in test tubes: crickets, mealworms, grasshoppers, and buffalo worms — Stock Photo
    Insects in test tubes: crickets, mealworms, grasshoppers, and buffalo worms
    Spirometry. Using digital spirometer with smart phone app, testing lungs. — Stock Photo
    Spirometry. Using digital spirometer with smart phone app, testing lungs.
    Pregnant female inspecting sonogram picture while lying on bed in ward of modern fertility clinic — Stock Photo
    Pregnant female inspecting sonogram picture while lying on bed in ward of modern fertility clinic
    Patient undergoing skin prick test in allergy clinic. — Stock Photo
    Patient undergoing skin prick test in allergy clinic.
    Lab technician picking up samples — Stock Photo
    Lab technician picking up samples
    Senior woman doing a DNA test at home. — Stock Photo
    Senior woman doing a DNA test at home.
    Woman sitting on sofa and looking down at pregnancy test. — Stock Photo
    Woman sitting on sofa and looking down at pregnancy test.
    Portrait of senior woman undergoing an x-ray test in hospital — Stock Photo
    Portrait of senior woman undergoing an x-ray test in hospital
    Optician testing a girl's eyes with optometry devices — Stock Photo
    Optician testing a girl's eyes with optometry devices
    Lab technician holding tray of calibrated samples — Stock Photo
    Lab technician holding tray of calibrated samples
    Caring woman using pulse oximeter on finger of ill boy in oxygen mask using nebulizer during inhalation at home — Stock Photo
    Caring woman using pulse oximeter on finger of ill boy in oxygen mask using nebulizer during inhalation at home
    Close-up of male scientist pipetting into test tubes. — Stock Photo
    Close-up of male scientist pipetting into test tubes.
    Doctor drawing blood — Stock Photo
    Doctor drawing blood
    Chinese woman taking test drive with car dealer assistance — Stock Photo
    Chinese woman taking test drive with car dealer assistance
    Man tests lift from wind before jumping off to paraglide parachute — Stock Photo
    Man tests lift from wind before jumping off to paraglide parachute
    Microscope lens and laser light slide, close-up. — Stock Photo
    Microscope lens and laser light slide, close-up.
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    DNA home test kit. — Stock Photo
    DNA home test kit.
    Thoughtful high school boy taking exam at desk in classroom — Stock Photo
    Thoughtful high school boy taking exam at desk in classroom
    Close-up view of medical syringes with blood sample. — Stock Photo
    Close-up view of medical syringes with blood sample.
    Crop anonymous black male doctor in medical uniform and mask showing test tube with blood sample to happy diverse different aged women and boy during distance consultation via video call — Stock Photo
    Crop anonymous black male doctor in medical uniform and mask showing test tube with blood sample to happy diverse different aged women and boy during distance consultation via video call
    Smiling female science teacher and girl student reading textbook at microscope in laboratory classroom — Stock Photo
    Smiling female science teacher and girl student reading textbook at microscope in laboratory classroom
    Close-up of microcentrifuge tubes with biologist in background. — Stock Photo
    Close-up of microcentrifuge tubes with biologist in background.
    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
    Laboratory technician holding test tubes in blood bank — Stock Photo
    Laboratory technician holding test tubes in blood bank
    Female chemist setting up vacuum pump in laboratory, close-up — Stock Photo
    Female chemist setting up vacuum pump in laboratory, close-up
    Plastic test tubes in rack on white background. — Stock Photo
    Plastic test tubes in rack on white background.
    Teacher and students conducting scientific experiment — Stock Photo
    Teacher and students conducting scientific experiment
    University student doing experiment on microscope in laboratory at college — Stock Photo
    University student doing experiment on microscope in laboratory at college
    Radiographer comforting patient before computed tomography (CT) scan. — Stock Photo
    Radiographer comforting patient before computed tomography (CT) scan.
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    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
    Collage of some white masks for protection factor KN95 on red background zenith view — Stock Photo
    Collage of some white masks for protection factor KN95 on red background zenith view
    Lab chemist handling water sample — Stock Photo
    Lab chemist handling water sample
    Preschooler boy coloring shapes with colorful pens for developmental psychology test in psychologist office. — Stock Photo
    Preschooler boy coloring shapes with colorful pens for developmental psychology test in psychologist office.
    Male doctor checking up chest of woman on monitor of ultrasound machine in hospital — Stock Photo
    Male doctor checking up chest of woman on monitor of ultrasound machine in hospital
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic — Stock Photo
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Measuring oxygen levels in blood with pulse oximeter. — Stock Photo
    Measuring oxygen levels in blood with pulse oximeter.
    Man testing temperature of beer in wort while making beer at home brewery — Stock Photo
    Man testing temperature of beer in wort while making beer at home brewery
    University student doing experiment on microscope in laboratory at college — Stock Photo
    University student doing experiment on microscope in laboratory at college
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Close up scientist's hand pouring reagent in flasks while experiment — Stock Photo
    Close up scientist's hand pouring reagent in flasks while experiment