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    Female teacher and students conducting scientific experiment, watching liquid in test tube in laboratory classroom — Stock Photo
    Female teacher and students conducting scientific experiment, watching liquid in test tube in laboratory classroom
    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
    Thoughtful high school boy taking exam at desk in classroom — Stock Photo
    Thoughtful high school boy taking exam at desk in classroom
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Ophthalmologist examining patient with slit lamp and magnifying lens. — Stock Photo
    Ophthalmologist examining patient with slit lamp and magnifying lens.
    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
    Optometry devices closeup view — Stock Photo
    Optometry devices closeup view
    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.
    Optometry devices closeup view — Stock Photo
    Optometry devices closeup view
    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
    Doctors examining boy teeth in dental clinic with mouth mirror. — Stock Photo
    Doctors examining boy teeth in dental clinic with mouth mirror.
    Close-up view of medical syringes with blood sample. — Stock Photo
    Close-up view of medical syringes with blood sample.
    Cropped unrecognizable woman hands holding a pregnancy test besides a window — Stock Photo
    Cropped unrecognizable woman hands holding a pregnancy test besides a window
    Back view crop male chemist in white robe latex gloves and face mask taking laboratory glassware from shelf while conducting research — Stock Photo
    Back view crop male chemist in white robe latex gloves and face mask taking laboratory glassware from shelf while conducting research
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Scientist preparing samples in microcentrifuge tubes for chemical analysis. — Stock Photo
    Scientist preparing samples in microcentrifuge tubes for chemical analysis.
    Female doctor examining a microscope in a hospital. — Stock Photo
    Female doctor examining a microscope in a hospital.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    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.
    Plastic sample containers in laboratory, close-up — Stock Photo
    Plastic sample containers in laboratory, close-up
    Chinese woman taking test drive with car dealer assistance — Stock Photo
    Chinese woman taking test drive with car dealer assistance
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    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
    Scientist person providing chemistry experiment with flasks in laboratory. — Stock Photo
    Scientist person providing chemistry experiment with flasks in laboratory.
    Cropped unrecognizable expert person in lab coat gloves examining samples through powerful microscope lenses while working in modern equipped laboratory — Stock Photo
    Cropped unrecognizable expert person in lab coat gloves examining samples through powerful microscope lenses while working in modern equipped laboratory
    Doctor testing patient blood sugar for diabetes in examination room — Stock Photo
    Doctor testing patient blood sugar for diabetes in examination room
    Close-up of scientist doing experiment in lab — Stock Photo
    Close-up of scientist doing experiment in lab
    Stool sample container and spatula on white background. — Stock Photo
    Stool sample container and spatula on white background.
    Hands of doctor performing allergy skin prick test on little boy arm. — Stock Photo
    Hands of doctor performing allergy skin prick test on little boy arm.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Test tubes with urine samples for analysis on white background, studio shot. — Stock Photo
    Test tubes with urine samples for analysis on white background, studio shot.
    Female scientist taking notes in soil testing laboratory. — Stock Photo
    Female scientist taking notes in soil testing laboratory.
    School in Grashoek village — Stock Photo
    School in Grashoek village
    Female scientist holding microscope slide with blood sample. — Stock Photo
    Female scientist holding microscope slide with blood sample.
    African american female doctor in face mask giving girl patient covid swab test at home. medical and healthcare services during coronavirus covid 19 pandemic. — Stock Photo
    African american female doctor in face mask giving girl patient covid swab test at home. medical and healthcare services during coronavirus covid 19 pandemic.
    Biologist hands with protective gloves holding trowel with soil above samples separated in containers. — Stock Photo
    Biologist hands with protective gloves holding trowel with soil above samples separated in containers.
    Unrecognizable serious black male scientist in medical robe and mask demonstrating blood sample in test tube while having video call on laptop in clinic — Stock Photo
    Unrecognizable serious black male scientist in medical robe and mask demonstrating blood sample in test tube while having video call on laptop in clinic
    Young asian college students throwing paper in the air — Stock Photo
    Young asian college students throwing paper in the air
    Doctor taking blood sample — Stock Photo
    Doctor taking blood sample
    Closeup view of empty laboratory beakers — Stock Photo
    Closeup view of empty laboratory beakers
    Physician measuring body fat on subscapular using skinfold thickness test on male athlete. — Stock Photo
    Physician measuring body fat on subscapular using skinfold thickness test on male athlete.
    Physician measuring body fat on biceps using skinfold thickness test on male athlete. — Stock Photo
    Physician measuring body fat on biceps using skinfold thickness test on male athlete.
    Empty and sterile phials in red plastic box. — Stock Photo
    Empty and sterile phials in red plastic box.
    Female patient at eye examination in ophthalmology clinic. — Stock Photo
    Female patient at eye examination in ophthalmology clinic.
    Side view of professional ophthalmologist using slit lamp and checking eyesight of senior male patient — Stock Photo
    Side view of professional ophthalmologist using slit lamp and checking eyesight of senior male patient
    Female agronomist taking notes in field of soil. — Stock Photo
    Female agronomist taking notes in field of soil.
    Young asian college student posing at campus — Stock Photo
    Young asian college student posing at campus
    Scientist holding meat piece with tweezers for food research. — Stock Photo
    Scientist holding meat piece with tweezers for food research.
    France, doctor doing biological tests — Stock Photo
    France, doctor doing biological tests
    Colleagues checking food quality in canteen — Stock Photo
    Colleagues checking food quality in canteen
    Bioarcheology scientists analyzing human skull in DNA archaeology lab. — Stock Photo
    Bioarcheology scientists analyzing human skull in DNA archaeology lab.
    Podiatrist examining and treating patient — Stock Photo
    Podiatrist examining and treating patient
    Coronavirus vaccine flask near blood test and syringe on pink background covered with confetti — Stock Photo
    Coronavirus vaccine flask near blood test and syringe on pink background covered with confetti
    Female researcher studying DNA autoradiogram. — Stock Photo
    Female researcher studying DNA autoradiogram.
    African american senior male doctor performing throat swab test on african american man at home. medical testing for prevention of coronavirus outbreak concept — Stock Photo
    African american senior male doctor performing throat swab test on african american man at home. medical testing for prevention of coronavirus outbreak concept
    Sampling procedure in a coffee processing shed — Stock Photo
    Sampling procedure in a coffee processing shed
    Curious students conducting scientific experiment, watching liquid in vial in laboratory classroom — Stock Photo
    Curious students conducting scientific experiment, watching liquid in vial in laboratory classroom
    Laboratory technician checking invoices in blood bank — Stock Photo
    Laboratory technician checking invoices in blood bank