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    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    From above coronavirus negative and positive blood test near vaccine flask and syringe on blue background — Stock Photo
    From above coronavirus negative and positive blood test near vaccine flask and syringe on blue 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
    Test tubes, computer illustration — Stock Photo
    Test tubes, computer illustration
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.
    Dentist looking at dental x-ray plate in clinic — Stock Photo
    Dentist looking at dental x-ray plate in clinic
    Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory.
    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
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Microbiologist working with petri dish and test tubes in laboratory. — Stock Photo
    Microbiologist working with petri dish and test tubes in laboratory.
    Still life on the theme of protective masks against coronavirus in a trash can — Stock Photo
    Still life on the theme of protective masks against coronavirus in a trash can
    Learning, education and school concept. Young woman and man studying for a test or an exam. Tutor books with friends. Young students campus helps friend catching up and learning. — Stock Photo
    Learning, education and school concept. Young woman and man studying for a test or an exam. Tutor books with friends. Young students campus helps friend catching up and learning.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Female agronomist taking sample with soil probe sampler. — Stock Photo
    Female agronomist taking sample with soil probe sampler.
    Hand of researcher holding vacutainer tube above pool of blood and syringe. — Stock Photo
    Hand of researcher holding vacutainer tube above pool of blood and syringe.
    Petri dishes with blood agar on blue background. — Stock Photo
    Petri dishes with blood agar on blue background.
    Close-up view of medical syringes with blood sample. — Stock Photo
    Close-up view of medical syringes with blood sample.
    Refrigerated centrifuge machine with test tube in blood bank — Stock Photo
    Refrigerated centrifuge machine with test tube in blood bank
    Hands of scientist in laboratory mixing samples of soil with reagent. — Stock Photo
    Hands of scientist in laboratory mixing samples of soil with reagent.
    Female agronomist measuring soil temperature with thermometer in field. — Stock Photo
    Female agronomist measuring soil temperature with thermometer in field.
    Female scientist in white coat taking notes in soil testing laboratory. — Stock Photo
    Female scientist in white coat taking notes in soil testing laboratory.
    Three test tubes with various liquids in tube rack. — Stock Photo
    Three test tubes with various liquids in tube rack.
    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
    Crop unrecognizable biologist in uniform with dropper and rack with tips at table in cannabis laboratory — Stock Photo
    Crop unrecognizable biologist in uniform with dropper and rack with tips at table in cannabis laboratory
    Top view of dead mouse in Petri dish. — Stock Photo
    Top view of dead mouse in Petri dish.
    Scientist removing medical samples from machine in lab — Stock Photo
    Scientist removing medical samples from machine in lab
    Senior woman undergoing an x-ray test in hospital — Stock Photo
    Senior woman undergoing an x-ray test in hospital
    Microbiologist working with petri dish and test tubes in laboratory. — Stock Photo
    Microbiologist working with petri dish and test tubes in laboratory.
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab — Stock Photo
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab
    Optometrist adjusting the optometry equipment during study of the eyesight of a happy black woman — Stock Photo
    Optometrist adjusting the optometry equipment during study of the eyesight of a happy black woman
    Female dentist taking x-ray of patient teeth at clinic — Stock Photo
    Female dentist taking x-ray of patient teeth at clinic
    Blood sample in kidney dish with urine sample on table. — Stock Photo
    Blood sample in kidney dish with urine sample on table.
    DNA molecule in test tube, genetic engineering conceptual digital illustration. — Stock Photo
    DNA molecule in test tube, genetic engineering conceptual digital illustration.
    Female doctor measuring with calipers allergic reaction during skin prick test. — Stock Photo
    Female doctor measuring with calipers allergic reaction during skin prick test.
    Genetic Test. Tube and swab for DNA collection from mouth. — Stock Photo
    Genetic Test. Tube and swab for DNA collection from mouth.
    University student doing experiment on microscope in laboratory at college — Stock Photo
    University student doing experiment on microscope in laboratory at college
    Close-up view of plant seedling in test tube. — Stock Photo
    Close-up view of plant seedling in test tube.
    Pregnancy test showing positive result and calendar. — Stock Photo
    Pregnancy test showing positive result and calendar.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Senior woman using spirometer, measuring lung capacity and peak expiratory force. — Stock Photo
    Senior woman using spirometer, measuring lung capacity and peak expiratory force.
    Mature doctor testing heart of male athlete on treadmill. — Stock Photo
    Mature doctor testing heart of male athlete on treadmill.
    Dentist observing an x-ray before operating — Stock Photo
    Dentist observing an x-ray before operating
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Teacher in School of Maasai tribe — Stock Photo
    Teacher in School of Maasai tribe
    Cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cell-based testing kit in bioengineering laboratory.
    Chemist hand setting up bottle in vacuum pump in laboratory. — Stock Photo
    Chemist hand setting up bottle in vacuum pump in laboratory.
    Hands of physical therapist performing skinfold test to measuring teenage boy body fat. — Stock Photo
    Hands of physical therapist performing skinfold test to measuring teenage boy body fat.
    Female doctor testing urine with stick, close-up. — Stock Photo
    Female doctor testing urine with stick, close-up.
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    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
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    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
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Mid section of scientists doing experiment in lab — Stock Photo
    Mid section of scientists doing experiment in lab
    Researcher man putting on white costume before research in lab. — Stock Photo
    Researcher man putting on white costume before research in lab.
    Doctor using a glucometer to take a blood glucose reading from a patient. — Stock Photo
    Doctor using a glucometer to take a blood glucose reading from a patient.
    Caucasian female doctor wearing face mask taking swab test from female patient at home. medical and healthcare services home visiting during coronavirus covid 19 pandemic. — Stock Photo
    Caucasian female doctor wearing face mask taking swab test from female patient at home. medical and healthcare services home visiting during coronavirus covid 19 pandemic.
    Pensive adult woman in white coat holding papers and showing information for senior male colleague while controlling food quality in canteen kitchen near big saucepans — Stock Photo
    Pensive adult woman in white coat holding papers and showing information for senior male colleague while controlling food quality in canteen kitchen near big saucepans
    Side view of anonymous doctor in protective suit standing in ambulance car near opened door with equipment and examining patient with virus infection — Stock Photo
    Side view of anonymous doctor in protective suit standing in ambulance car near opened door with equipment and examining patient with virus infection
    Side view of senior male patient sitting on chair in front of modern tonometer for measuring eye pressure in clinic with ophthalmologist — Stock Photo
    Side view of senior male patient sitting on chair in front of modern tonometer for measuring eye pressure in clinic with ophthalmologist