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    Female scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Female scientist pipetting liquid into Eppendorf tubes.
    Female chemist using equipment in pharmaceutical laboratory. — Stock Photo
    Female chemist using equipment in pharmaceutical laboratory.
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Close-up of microcentrifuge tubes with biologist in background. — Stock Photo
    Close-up of microcentrifuge tubes with biologist in background.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Scientist pipetting sample in microcentrifuge tube for chemical analysis. — Stock Photo
    Scientist pipetting sample in microcentrifuge tube for chemical analysis.
    Scientist checking a solution in conical flask at lab — Stock Photo
    Scientist checking a solution in conical flask at lab
    Female chemist setting up vacuum pump in laboratory, close-up — Stock Photo
    Female chemist setting up vacuum pump in laboratory, close-up
    Close-up of pipetting colorful liquids into test tubes. — Stock Photo
    Close-up of pipetting colorful liquids into test tubes.
    Gloved hand of laboratory assistant examining growth in petri dish, close-up. — Stock Photo
    Gloved hand of laboratory assistant examining growth in petri dish, close-up.
    Bacterial colonies on agar plate. — Stock Photo
    Bacterial colonies on agar plate.
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Water treatment plant ultraviolet ionization treatment room — Stock Photo
    Water treatment plant ultraviolet ionization treatment room
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Close-up of bacteria colonies growing in Petri dish. — Stock Photo
    Close-up of bacteria colonies growing in Petri dish.
    Female researcher studying DNA autoradiogram. — Stock Photo
    Female researcher studying DNA autoradiogram.
    Medical test machine with loaded test tubes — Stock Photo
    Medical test machine with loaded test tubes
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration. — Stock Photo
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration.
    Scientists experimenting together in laboratory — Stock Photo
    Scientists experimenting together in laboratory
    Female scientist using pipette in laboratory — Stock Photo
    Female scientist using pipette in laboratory
    Closeup view of empty laboratory beakers — Stock Photo
    Closeup view of empty laboratory beakers
    Bacterial colonies on agar plates — Stock Photo
    Bacterial colonies on agar plates
    Water department engineer standing in chemical treatment room — Stock Photo
    Water department engineer standing in chemical treatment room
    Crop scientist using pipette and scales while making research. — Stock Photo
    Crop scientist using pipette and scales while making research.
    Blood sample awaiting testing in laboratory, close-up with selective focus. — Stock Photo
    Blood sample awaiting testing in laboratory, close-up with selective focus.
    Close-up of tube and syringe in hematology laboratory with scientist in background. — Stock Photo
    Close-up of tube and syringe in hematology laboratory with scientist in background.
    Biologist hand with protective glove holding trowel with soil above samples separated in containers. — Stock Photo
    Biologist hand with protective glove holding trowel with soil above samples separated in containers.
    Cropped unrecognizable doctor's hand showing and making with pen a negative blood test of Coronavirus against a pink background — Stock Photo
    Cropped unrecognizable doctor's hand showing and making with pen a negative blood test of Coronavirus against a pink background
    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.
    Laboratory technician using refrigerated centrifuge machine in blood bank — Stock Photo
    Laboratory technician using refrigerated centrifuge machine in blood bank
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Laboratory technician using refrigerated centrifuge machine in blood bank — Stock Photo
    Laboratory technician using refrigerated centrifuge machine in blood bank
    From above view of anonymous doctor in latex gloves using finger cuff to examine blood pressure of little girl in casual yellow dress — Stock Photo
    From above view of anonymous doctor in latex gloves using finger cuff to examine blood pressure of little girl in casual yellow dress
    Ophthalmologist examining a womans eyes with a keratometer — Stock Photo
    Ophthalmologist examining a womans eyes with a keratometer
    Female scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Female scientist pipetting liquid into Eppendorf tubes.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Female doctor in laboratory. medical concept — Stock Photo
    Female doctor in laboratory. medical concept
    Close-up of scientist pipetting sample into eppendorf tube during experiment in laboratory. — Stock Photo
    Close-up of scientist pipetting sample into eppendorf tube during experiment in laboratory.
    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
    Scientist using pipette and scales at laboratory — Stock Photo
    Scientist using pipette and scales at laboratory
    Pipette dripping liquid into test tubes. — Stock Photo
    Pipette dripping liquid into test tubes.
    Female scientist in laboratory looking at glass flask with dissolved samples of soil. — Stock Photo
    Female scientist in laboratory looking at glass flask with dissolved samples of soil.
    Ophthalmologist examining a womans eyes with a slit lamp — Stock Photo
    Ophthalmologist examining a womans eyes with a slit lamp