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    Technician holding urine sample for testing in laboratory. — Stock Photo
    Technician holding urine sample for testing in laboratory.
    Gloved hand holding blood sample in test tube. — Stock Photo
    Gloved hand holding blood sample in test tube.
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Hand of technician holding hepatitis sample for testing in laboratory. — Stock Photo
    Hand of technician holding hepatitis sample for testing in laboratory.
    Senior woman preparing DNA test kit. — Stock Photo
    Senior woman preparing DNA test kit.
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background. — Stock Photo
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background.
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Sampling procedure in a coffee processing shed — Stock Photo
    Sampling procedure in a coffee processing shed
    Happy woman showing pregnancy test — Stock Photo
    Happy woman showing pregnancy test
    Scenic view of Stork standing in a nest, Arcachon, Gironde, Nouvelle-Aquitaine, France — Stock Photo
    Scenic view of Stork standing in a nest, Arcachon, Gironde, Nouvelle-Aquitaine, France
    Optometrist adjusting eyeglasses on patient eyes in clinic — Stock Photo
    Optometrist adjusting eyeglasses on patient eyes in clinic
    Computer programmers testing virtual reality simulator glasses at computer in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses at computer in office
    Fluid pouring into laboratory glassware. — Stock Photo
    Fluid pouring into laboratory glassware.
    Portrait of senior woman undergoing an x-ray test in hospital — Stock Photo
    Portrait of senior woman undergoing an x-ray test in hospital
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Unrecognizable chemist taking blue fluid with pipette while conducting experiment in modern lab — Stock Photo
    Unrecognizable chemist taking blue fluid with pipette while conducting experiment in modern lab
    College students taking test at desk in classroom — Stock Photo
    College students taking test at desk in classroom
    Girl students conducting scientific experiment in chemistry laboratory classroom — Stock Photo
    Girl students conducting scientific experiment in chemistry laboratory classroom
    Female doctor examining a microscope in a hospital. — Stock Photo
    Female doctor examining a microscope in a hospital.
    Boy holding guinea pig in vet examination — Stock Photo
    Boy holding guinea pig in vet examination
    Scientist holding tomato piece with tweezers for food research. — Stock Photo
    Scientist holding tomato piece with tweezers for food research.
    Optometrist using an ophthalmoscope during study of the eyesight of a black woman — Stock Photo
    Optometrist using an ophthalmoscope during study of the eyesight of a black woman
    Cheerful professional female scientist in protective gloves and robe looking at blue solution n test tube while working in equipped laboratory — Stock Photo
    Cheerful professional female scientist in protective gloves and robe looking at blue solution n test tube while working in equipped laboratory
    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Colorful liquids in laboratory glassware while chemistry experiment. — Stock Photo
    Colorful liquids in laboratory glassware while chemistry 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
    Scientist hand sampling water in test tube for quality testing. — Stock Photo
    Scientist hand sampling water in test tube for quality testing.
    Close-up of pipette pipetting into test tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into test tubes in pathogenic laboratory.
    Side view of scientist providing research and operating with tablet on wall of laboratory. — Stock Photo
    Side view of scientist providing research and operating with tablet on wall of laboratory.
    Eye test equipment in a laboratory — Stock Photo
    Eye test equipment in a laboratory
    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.
    Pile of filled medical tesing tubes — Stock Photo
    Pile of filled medical tesing tubes
    France, South-Western France, Arcachon Bay, dune erosion after a storm — Stock Photo
    France, South-Western France, Arcachon Bay, dune erosion after a storm
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    African American male in uniform with stethoscope showing blurred vaccine in hand in hospital — Stock Photo
    African American male in uniform with stethoscope showing blurred vaccine in hand in hospital
    Young female scientist working in laboratory — Stock Photo
    Young female scientist working in laboratory
    Still life on the theme of protective masks against coronavirus. Alternative fabric mask — Stock Photo
    Still life on the theme of protective masks against coronavirus. Alternative fabric mask
    Scientist pouring chemical solution on test tube from bottle in lab — Stock Photo
    Scientist pouring chemical solution on test tube from bottle in lab
    Scientists experimenting together in laboratory — Stock Photo
    Scientists experimenting together in laboratory
    Microbiologist working with petri dishes and test tubes in laboratory. — Stock Photo
    Microbiologist working with petri dishes and test tubes in laboratory.
    Portrait of male worker examining juice in test tube at factory — Stock Photo
    Portrait of male worker examining juice in test tube at factory
    Doctor checking grip strength for patient — Stock Photo
    Doctor checking grip strength for patient
    Optometrist examining patient eyes with eye test equipment in clinic — Stock Photo
    Optometrist examining patient eyes with eye test equipment in clinic
    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
    Team of scientists experimenting together in laboratory — Stock Photo
    Team of scientists experimenting together in laboratory
    Attentive laboratory technician working in blood bank — Stock Photo
    Attentive laboratory technician working in blood bank
    Chinese woman sitting in car and holding steering wheel — Stock Photo
    Chinese woman sitting in car and holding steering wheel
    Water department technician installing a snow stake — Stock Photo
    Water department technician installing a snow stake
    Podiatrist making procedure with patient — Stock Photo
    Podiatrist making procedure with patient
    Close-up of rack of sample tubes with blood for analysis. — Stock Photo
    Close-up of rack of sample tubes with blood for analysis.
    Dentist looking at x-ray image — Stock Photo
    Dentist looking at x-ray image
    Woman checking blood pressure test at hospital — Stock Photo
    Woman checking blood pressure test at hospital
    Laboratory technician holding test tubes in blood bank — Stock Photo
    Laboratory technician holding test tubes in blood bank
    Female doctor performing allergy skin prick test on little boy with mother in immunologist office. — Stock Photo
    Female doctor performing allergy skin prick test on little boy with mother in immunologist office.
    Aged male in headphones and mask sitting in room with doctor conducting audiological diagnostic of hearing — Stock Photo
    Aged male in headphones and mask sitting in room with doctor conducting audiological diagnostic of hearing
    Female patient receiving a ultrasound scan on the stomach in hospital — Stock Photo
    Female patient receiving a ultrasound scan on the stomach in hospital
    Bearded elderly male in eye test glasses sitting in modern clinic before vision examination and looking at camera — Stock Photo
    Bearded elderly male in eye test glasses sitting in modern clinic before vision examination and looking at camera
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Female agronomist taking notes in field of soil. — Stock Photo
    Female agronomist taking notes in field of soil.
    Preteen boy undergoing lung function test with female nurse. — Stock Photo
    Preteen boy undergoing lung function test with female nurse.