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    Close-up of drop of red liquid pipetted into multi-well sample tray. — Stock Photo
    Close-up of drop of red liquid pipetted into multi-well sample tray.
    Hand in latex glove holding test tube with ear of wheat — Stock Photo
    Hand in latex glove holding test tube with ear of wheat
    Female agronomist taking soil sample for fertility analysis. — Stock Photo
    Female agronomist taking soil sample for fertility analysis.
    Focused male scientist with test tube researching coronavirus — Stock Photo
    Focused male scientist with test tube researching coronavirus
    Optometrist examining patient eyes with ophthalmoscope in clinic — Stock Photo
    Optometrist examining patient eyes with ophthalmoscope in clinic
    Close-up of optometrist examining patient eyes with eye test equipment in clinic — Stock Photo
    Close-up of optometrist examining patient eyes with eye test equipment in clinic
    Young female medical worker using microscope at workplace on blurred background — Stock Photo
    Young female medical worker using microscope at workplace on blurred background
    Medical testing microscopes and equipment in laboratory. — Stock Photo
    Medical testing microscopes and equipment in laboratory.
    Woman checking blood pressure test at hospital — Stock Photo
    Woman checking blood pressure test at hospital
    Lab technician opening sterilization tank — Stock Photo
    Lab technician opening sterilization tank
    Laboratory technicians interacting with each other in blood bank — Stock Photo
    Laboratory technicians interacting with each other in blood bank
    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.
    Young sad female caucasian UK US NHS EMS doctor carer looking through — Stock Photo
    Young sad female caucasian UK US NHS EMS doctor carer looking through
    Teacher and students conducting scientific experiment — Stock Photo
    Teacher and students conducting scientific experiment
    Radiologist recording results of CT scanning. — Stock Photo
    Radiologist recording results of CT scanning.
    Test tubes and baby pacifiers on plain background. — Stock Photo
    Test tubes and baby pacifiers on plain background.
    Researcher hand holding vacutainer tube in front of yellow tray. — Stock Photo
    Researcher hand holding vacutainer tube in front of yellow tray.
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Close-up of laboratory technician holding tube with blood sample in gloved hand. — Stock Photo
    Close-up of laboratory technician holding tube with blood sample in gloved hand.
    Mother helping son test blood sugar — Stock Photo
    Mother helping son test blood sugar
    Enthusiastic computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Enthusiastic computer programmers testing virtual reality simulator glasses in office
    Side view of concentrated skilled male mechanic using multimeter while testing battery of electric scooter in workshop — Stock Photo
    Side view of concentrated skilled male mechanic using multimeter while testing battery of electric scooter in workshop
    Teacher and students during chemistry lesson, wearing protective eyewear and looking at test tubes — Stock Photo
    Teacher and students during chemistry lesson, wearing protective eyewear and looking at test tubes
    Green chili pepper in test tube, studio shot. — Stock Photo
    Green chili pepper in test tube, studio shot.
    Female medical specialist in protective uniform, latex gloves and face mask doing mouth 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 mouth swab test with cotton bud on African American female patient in clinic during coronavirus outbreak
    Scientists experimenting together in laboratory — Stock Photo
    Scientists experimenting together in laboratory
    Rear view of scientist working with equipment at laboratory — Stock Photo
    Rear view of scientist working with equipment at laboratory
    Robot arm with test tube. — Stock Photo
    Robot arm with test tube.
    Blood agar in Petri dish on blue background. — Stock Photo
    Blood agar in Petri dish on blue background.
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory.
    Side view of a specialist using a digital multimeter to check the correct voltage of an electric scooter in a specialist workshop. — Stock Photo
    Side view of a specialist using a digital multimeter to check the correct voltage of an electric scooter in a specialist workshop.
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Forensics expert collecting blood sample from crime scene. — Stock Photo
    Forensics expert collecting blood sample from crime scene.
    Ophthalmologist examining a womans eyes with a phoropter — Stock Photo
    Ophthalmologist examining a womans eyes with a phoropter
    View of students sitting at desks during test in classroom — Stock Photo
    View of students sitting at desks during test in classroom
    Hands of female doctor and patient with electric tonometer on finger at table near pulsometer — Stock Photo
    Hands of female doctor and patient with electric tonometer on finger at table near pulsometer
    Crop anonymous scientist in disposable gloves with liquid in small transparent bottle working in laboratory — Stock Photo
    Crop anonymous scientist in disposable gloves with liquid in small transparent bottle working in laboratory
    Man tests lift from wind before jumping off to paraglide parachute — Stock Photo
    Man tests lift from wind before jumping off to paraglide parachute
    Female researcher holding medium tray. — Stock Photo
    Female researcher holding medium tray.
    Athlete riding an exercise bike — Stock Photo
    Athlete riding an exercise bike
    Using pulse oximeter at home to test oxygen level in blood. — Stock Photo
    Using pulse oximeter at home to test oxygen level in blood.
    Close-up of male scientist pipetting into test tubes. — Stock Photo
    Close-up of male scientist pipetting into test tubes.
    Machine for automated analysis of donated blood. — Stock Photo
    Machine for automated analysis of donated blood.
    Female scientist holding and analyzing human skull in ancient DNA laboratory. — Stock Photo
    Female scientist holding and analyzing human skull in ancient DNA laboratory.
    University students receiving test results from professor — Stock Photo
    University students receiving test results from professor
    Male laboratory assistant holding test tube rack. — Stock Photo
    Male laboratory assistant holding test tube rack.
    From above crop anonymous chemist in latex gloves filling glass pipette with chemical liquid from boiling flask while conducting test in laboratory — Stock Photo
    From above crop anonymous chemist in latex gloves filling glass pipette with chemical liquid from boiling flask while conducting test in laboratory
    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.
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge. — Stock Photo
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge.
    Laboratory technician scanning bar code of test tube rack in blood bank — Stock Photo
    Laboratory technician scanning bar code of test tube rack in blood bank
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Close-up of scientist hand holding Petri dish in pathology laboratory. — Stock Photo
    Close-up of scientist hand holding Petri dish in pathology laboratory.
    Teenage girl experimenting chemical solution in laboratory — Stock Photo
    Teenage girl experimenting chemical solution in laboratory
    Close-up of pipetting liquid into test tubes — Stock Photo
    Close-up of pipetting liquid into test tubes
    Home care specialist checking blood pressure of patient at home — Stock Photo
    Home care specialist checking blood pressure of patient at home
    Scientist using a machine for experiment in lab — Stock Photo
    Scientist using a machine for experiment in lab
    Safety inspector taking water sample from pool — Stock Photo
    Safety inspector taking water sample from pool
    Senior woman undergoing an x-ray test in hospital — Stock Photo
    Senior woman undergoing an x-ray test in hospital
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.