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    Close-up of plant seedling in soil in Petri dish in laboratory. — Stock Photo
    Close-up of plant seedling in soil in Petri dish in laboratory.
    From above bottles with water samples and briefcase with chemicals placed near swimming pool during safety inspection on resort — Stock Photo
    From above bottles with water samples and briefcase with chemicals placed near swimming pool during safety inspection on resort
    Close-up of pulse oximeter on patient hand. — Stock Photo
    Close-up of pulse oximeter on patient hand.
    Focused high school girl student taking exam at desk in classroom — Stock Photo
    Focused high school girl student taking exam at desk in classroom
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Female scientist in clean suit with test tubes studying coronavirus — Stock Photo
    Female scientist in clean suit with test tubes studying coronavirus
    Blood sample in test tube in hand of scientist. — Stock Photo
    Blood sample in test tube in hand of scientist.
    Pensive girl student conducting science experiment in classroom laboratory — Stock Photo
    Pensive girl student conducting science experiment in classroom laboratory
    Motor testing multimeter and mobile phone at floor in garage — Stock Photo
    Motor testing multimeter and mobile phone at floor in garage
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Unrecognizable medic putting on mask on face of patient while preparing for cardiac stress test in modern hospital — Stock Photo
    Unrecognizable medic putting on mask on face of patient while preparing for cardiac stress test in modern hospital
    Chemist using nuclear magnetic resonance spectrometer in pharmaceutical laboratory. — Stock Photo
    Chemist using nuclear magnetic resonance spectrometer in pharmaceutical laboratory.
    Woman dipping her hand in a river, Bulgaria — Stock Photo
    Woman dipping her hand in a river, Bulgaria
    School in Village of Himba tribe — Stock Photo
    School in Village of Himba tribe
    Close-up of immunologist performing skin prick allergy testing on boy. — Stock Photo
    Close-up of immunologist performing skin prick allergy testing on boy.
    Female working at laptop with medical vials — Stock Photo
    Female working at laptop with medical vials
    Woman undergoing allergy patch test with mature doctor. — Stock Photo
    Woman undergoing allergy patch test with mature doctor.
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Unrecognizable doctor in blue gloves using ultrasound scanner while examining cheerful pregnant woman pointing at the screen in hospital — Stock Photo
    Unrecognizable doctor in blue gloves using ultrasound scanner while examining cheerful pregnant woman pointing at the screen in hospital
    Bacterial colonies on agar plate. — Stock Photo
    Bacterial colonies on agar plate.
    Radiographers taking computed tomography scan of patient. — Stock Photo
    Radiographers taking computed tomography scan of patient.
    Attentive female scientist using pipette in laboratory — Stock Photo
    Attentive female scientist using pipette in laboratory
    Petri dish with bacteria — Stock Photo
    Petri dish with bacteria
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Microbiologist working with petri dish and test tubes in laboratory. — Stock Photo
    Microbiologist working with petri dish and test tubes in laboratory.
    Pregnancy test showing positive result on white background. — Stock Photo
    Pregnancy test showing positive result on white background.
    Female researcher studying DNA autoradiogram. — Stock Photo
    Female researcher studying DNA autoradiogram.
    Smiling female chemistry teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Smiling female chemistry teacher and students conducting scientific experiment in laboratory classroom
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Insects in test tubes: crickets, mealworms, grasshoppers, and buffalo worms — Stock Photo
    Insects in test tubes: crickets, mealworms, grasshoppers, and buffalo worms
    Optician testing senior man eyesight. — Stock Photo
    Optician testing senior man eyesight.
    Doctors talking to patient before mri scanning test at hospital — Stock Photo
    Doctors talking to patient before mri scanning test at hospital
    Seeds and cereals in food safety laboratory. — Stock Photo
    Seeds and cereals in food safety laboratory.
    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    Woman holding urine sample — Stock Photo
    Woman holding urine sample
    Close-up of bacteria colonies growing in Petri dish. — Stock Photo
    Close-up of bacteria colonies growing in Petri dish.
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Optician testing a girl's eyes with optometry devices — Stock Photo
    Optician testing a girl's eyes with optometry devices
    Genetic Test. Tube and swab for DNA collection from mouth. — Stock Photo
    Genetic Test. Tube and swab for DNA collection from mouth.
    Back view of unrecognizable female doctor looking through modern microscope while at sample while working in modern clinic — Stock Photo
    Back view of unrecognizable female doctor looking through modern microscope while at sample while working in modern clinic
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    PCR tubes with orange, green and purple samples, full frame. — Stock Photo
    PCR tubes with orange, green and purple samples, full frame.
    Holding hands of female doctor and patient at table near pulsometer on blurred background — Stock Photo
    Holding hands of female doctor and patient at table near pulsometer on blurred background
    Close up of test tube machine in factory — Stock Photo
    Close up of test tube machine in factory
    Female immunologist performing skin prick allergy testing on preschooler boy. — Stock Photo
    Female immunologist performing skin prick allergy testing on preschooler boy.
    Smiling female computer programmer testing virtual reality simulator glasses and joystick — Stock Photo
    Smiling female computer programmer testing virtual reality simulator glasses and joystick
    DNA home test kit. — Stock Photo
    DNA home test kit.
    Female agronomist taking sample with soil probe sampler. — Stock Photo
    Female agronomist taking sample with soil probe sampler.
    Tubes for biological test in rack on blue background. — Stock Photo
    Tubes for biological test in rack on blue background.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    University students receiving test results from professor — Stock Photo
    University students receiving test results from professor
    Cut lavender flowers — Stock Photo
    Cut lavender flowers
    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
    Schoolboy doing chemistry experiment in school laboratory. — Stock Photo
    Schoolboy doing chemistry experiment in school laboratory.
    Close-up view of plants in test tubes. — Stock Photo
    Close-up view of plants in test tubes.
    Close-up of optometrist examining patient eyes with phoropter in clinic — Stock Photo
    Close-up of optometrist examining patient eyes with phoropter in clinic
    Glass slide containing human sample under light microscope for medical testing. — Stock Photo
    Glass slide containing human sample under light microscope for medical testing.
    Cropped image of Water department technician shutting fire hydrant to flush water pipes — Stock Photo
    Cropped image of Water department technician shutting fire hydrant to flush water pipes