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    College students conducting scientific experiment in science laboratory classroom — Stock Photo
    College students conducting scientific experiment in science laboratory classroom
    Doctor looking at ultrasound scan machine in hospital — Stock Photo
    Doctor looking at ultrasound scan machine in hospital
    Genetic Test. Tube and swab for DNA collection from mouth. — Stock Photo
    Genetic Test. Tube and swab for DNA collection from mouth.
    Cropped unrecognizable doctor's hand showing a positive blood test of Coronavirus against a pink background — Stock Photo
    Cropped unrecognizable doctor's hand showing a positive blood test of Coronavirus against a pink background
    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
    Optometrist adjusting the retinograph during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the retinograph during study of the eyesight of a black woman
    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.
    Crop male placing vial with chemical sample into electronic medical device for conducting research in laboratory — Stock Photo
    Crop male placing vial with chemical sample into electronic medical device for conducting research in laboratory
    Close up of male worker checking juice in factory — Stock Photo
    Close up of male worker checking juice in factory
    White mask with reusable KN95 protection index for virus protection on light blue background — Stock Photo
    White mask with reusable KN95 protection index for virus protection on light blue background
    Empty and sterile phials in red plastic box. — Stock Photo
    Empty and sterile phials in red plastic box.
    Attentive female scientist experimenting in laboratory — Stock Photo
    Attentive female scientist experimenting in laboratory
    Teenage boy experimenting chemical solution in laboratory — Stock Photo
    Teenage boy experimenting chemical solution in laboratory
    Crop anonymous biologist in glove putting dried marihuana flower buds on pan of moisture measuring device in laboratory — Stock Photo
    Crop anonymous biologist in glove putting dried marihuana flower buds on pan of moisture measuring device in laboratory
    Optometrist examining patient eyes with phoropter in clinic — Stock Photo
    Optometrist examining patient eyes with phoropter in clinic
    Radiographers taking computed tomography scan of patient. — Stock Photo
    Radiographers taking computed tomography scan of patient.
    Close-up of sample tubes with medical samples. — Stock Photo
    Close-up of sample tubes with medical samples.
    Liquid in bottles, test tubes and beakers in science laboratory classroom — Stock Photo
    Liquid in bottles, test tubes and beakers in science laboratory classroom
    Swab sample from inside forensic evidence bag. — Stock Photo
    Swab sample from inside forensic evidence bag.
    Male optometrist examining eye test equipment — Stock Photo
    Male optometrist examining eye test equipment
    Microscope and piles on Petri dishes in laboratory on blue background. — Stock Photo
    Microscope and piles on Petri dishes in laboratory on blue background.
    Medical stethoscope near tonometer, scissors, tweezers and pen on wooden table — Stock Photo
    Medical stethoscope near tonometer, scissors, tweezers and pen on wooden table
    Doctor reading the results of blood test while holding blood sample. — Stock Photo
    Doctor reading the results of blood test while holding blood sample.
    Female agronomist taking sample with soil probe sampler. — Stock Photo
    Female agronomist taking sample with soil probe sampler.
    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
    Female agronomist taking notes in field of soil. — Stock Photo
    Female agronomist taking notes in field of soil.
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    Patient undergoing patch test in allergy clinic. — Stock Photo
    Patient undergoing patch test in allergy clinic.
    Green chili pepper in test tube, studio shot. — Stock Photo
    Green chili pepper in test tube, studio shot.
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    Elderly bearded male in headphones sitting in soundproof room during audiology examination and hearing test — Stock Photo
    Elderly bearded male in headphones sitting in soundproof room during audiology examination and hearing test
    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 using x-ray machine to examining patient in hospital — Stock Photo
    Doctor using x-ray machine to examining patient in hospital
    Doctor using x-ray machine to examining patient in hospital — Stock Photo
    Doctor using x-ray machine to examining patient in hospital
    Close-up of pipetting sample for biological research. — Stock Photo
    Close-up of pipetting sample for biological research.
    Optician testing a girl's eyes with optometry devices — Stock Photo
    Optician testing a girl's eyes with optometry devices
    Female working at laptop with medical vials — Stock Photo
    Female working at laptop with medical vials
    Close-up of pipetting colorful liquids into test tubes. — Stock Photo
    Close-up of pipetting colorful liquids into test tubes.
    Female medical specialist in protective uniform, latex gloves and face mask doing nasal coronavirus test on African American mature woman patient in clinic during virus outbreak — Stock Photo
    Female medical specialist in protective uniform, latex gloves and face mask doing nasal coronavirus test on African American mature woman patient in clinic during virus outbreak
    Doctor reading the results of blood test while holding blood sample. — Stock Photo
    Doctor reading the results of blood test while holding blood sample.
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory. — Stock Photo
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory.
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Schoolboy doing chemistry experiment in school laboratory. — Stock Photo
    Schoolboy doing chemistry experiment in school laboratory.
    Green seedlings in test tubes, close-up. — Stock Photo
    Green seedlings in test tubes, close-up.
    Cropped image of scientists providing research with scales in laboratory. — Stock Photo
    Cropped image of scientists providing research with scales in laboratory.
    Closeup view of food products in three test tubes — Stock Photo
    Closeup view of food products in three test tubes
    Racks of samples in test tubes and Petri dishes on laboratory table. — Stock Photo
    Racks of samples in test tubes and Petri dishes on laboratory table.
    Pipette and petri dishes for blood testing. — Stock Photo
    Pipette and petri dishes for blood testing.
    Female researcher pipetting liquid in laboratory. — Stock Photo
    Female researcher pipetting liquid in laboratory.
    Serious female college student taking test at desk in classroom — Stock Photo
    Serious female college student taking test at desk in classroom
    Scientist in costume posing in laboratory — Stock Photo
    Scientist in costume posing in laboratory
    Hospital radiologist sitting at desk in front of CT scans. — Stock Photo
    Hospital radiologist sitting at desk in front of CT scans.
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    Senior man checking his blood sugar with glucometer at home — Stock Photo
    Senior man checking his blood sugar with glucometer at home
    Scientist pipetting samples into test tubes in laboratory. — Stock Photo
    Scientist pipetting samples into test tubes in laboratory.
    Middle-aged woman and her doctor in an open MRI machine waiting for the test to start — Stock Photo
    Middle-aged woman and her doctor in an open MRI machine waiting for the test to start
    Scientists experimenting together in laboratory — Stock Photo
    Scientists experimenting together in laboratory
    Close-up of rack of cell cultures in tubes in laboratory. — Stock Photo
    Close-up of rack of cell cultures in tubes in laboratory.
    Female students watching mentor conducting experiment in lab — Stock Photo
    Female students watching mentor conducting experiment in lab
    Senior woman doing a mailed DNA test at home. — Stock Photo
    Senior woman doing a mailed DNA test at home.