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    Biological samples in test tubes and Petri dishes on laboratory table. — Stock Photo
    Biological samples in test tubes and Petri dishes on laboratory table.
    Side view of two people scientists providing research in laboratory. — Stock Photo
    Side view of two people scientists providing research in laboratory.
    Glass phial with blood sample. — Stock Photo
    Glass phial with blood sample.
    Plastic test tubes in rack on white background. — Stock Photo
    Plastic test tubes in rack on white background.
    Glass phial with blood sample. — Stock Photo
    Glass phial with blood sample.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Rear view of scientist working with equipment at laboratory — Stock Photo
    Rear view of scientist working with equipment at laboratory
    Plastic test tubes in rack on white background. — Stock Photo
    Plastic test tubes in rack on white background.
    Scientist working looking at bottle in laboratory storage — Stock Photo
    Scientist working looking at bottle in laboratory storage
    Researcher in white costume holding bottle in science lab. — Stock Photo
    Researcher in white costume holding bottle in science lab.
    Low angle view of scientist holding glass flask in laboratory. — Stock Photo
    Low angle view of scientist holding glass flask in laboratory.
    Close-up of pipette pipetting into test tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into test tubes in pathogenic laboratory.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Empty and sterile phials in red plastic box. — Stock Photo
    Empty and sterile phials in red plastic box.
    Tubes for biological test in rack on blue background. — Stock Photo
    Tubes for biological test in rack on blue background.
    Directly above view of scientist using pipette and scales — Stock Photo
    Directly above view of scientist using pipette and scales
    Crop scientist taking off work gloves — Stock Photo
    Crop scientist taking off work gloves
    Plant seedling in soil in Petri dish in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish in laboratory.
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Rack of food samples in test tubes. — Stock Photo
    Rack of food samples in test tubes.
    Rear view of scientist operating with display on wall — Stock Photo
    Rear view of scientist operating with display on wall
    Scientist putting on protective mask in laboratory — Stock Photo
    Scientist putting on protective mask in laboratory
    Single test tube with blood sample. — Stock Photo
    Single test tube with blood sample.
    Crop scientist adding liquid in flask — Stock Photo
    Crop scientist adding liquid in flask
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Scientist using pipette and scales at laboratory — Stock Photo
    Scientist using pipette and scales at laboratory
    Scientist putting on gloves before work at laboratory — Stock Photo
    Scientist putting on gloves before work at laboratory
    Single test tube with blood sample. — Stock Photo
    Single test tube with blood sample.
    Researcher in white costume looking at camera and standing with arms crossed in laboratory. — Stock Photo
    Researcher in white costume looking at camera and standing with arms crossed in laboratory.
    Scientist in white uniform putting on protective mask — Stock Photo
    Scientist in white uniform putting on protective mask
    Plant seedling in soil in Petri dish and tweezers in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish and tweezers in laboratory.
    Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory.
    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.
    Scientist posing in protective costume in laboratory — Stock Photo
    Scientist posing in protective costume in laboratory
    Scientist walking along shelves with reagents and providing revision in lab — Stock Photo
    Scientist walking along shelves with reagents and providing revision in lab
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Rack of food samples in test tubes. — Stock Photo
    Rack of food samples in test tubes.
    Crop scientist putting on gloves at laboratory — Stock Photo
    Crop scientist putting on gloves at laboratory
    Close up scientist's hand pouring reagent in flasks while experiment — Stock Photo
    Close up scientist's hand pouring reagent in flasks while experiment
    Scientist using pipette and flask while providing research in laboratory. — Stock Photo
    Scientist using pipette and flask while providing research in laboratory.
    Close-up of pipette pipetting into test tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into test tubes in pathogenic laboratory.
    Close-up of laboratory technician holding tube with blood sample in gloved hand. — Stock Photo
    Close-up of laboratory technician holding tube with blood sample in gloved hand.
    Food samples in test tubes on blue background. — Stock Photo
    Food samples in test tubes on blue background.
    Seeds and cereals in food safety laboratory. — Stock Photo
    Seeds and cereals in food safety laboratory.
    Scientist in protective wear pouring liquid in steaming flask — Stock Photo
    Scientist in protective wear pouring liquid in steaming flask
    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.
    Scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Scientist pipetting liquid into Eppendorf tubes.
    Blood samples for testing in microcentrifuge tubes. — Stock Photo
    Blood samples for testing in microcentrifuge tubes.
    Tubes for biological test in rack on blue background. — Stock Photo
    Tubes for biological test in rack on blue background.
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Tube with blood sample on metal tray in laboratory, close-up. — Stock Photo
    Tube with blood sample on metal tray in laboratory, close-up.
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Scientist with papers standing in storage and doing revision in lab. — Stock Photo
    Scientist with papers standing in storage and doing revision in lab.
    Cropped image scientist adding liquid in flask — Stock Photo
    Cropped image scientist adding liquid in flask
    Pipette placing sample into test tube during experiment in laboratory. — Stock Photo
    Pipette placing sample into test tube during experiment in laboratory.
    Close-up of pipette pipetting into test tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into test tubes in pathogenic laboratory.
    Microscope and piles on Petri dishes in laboratory on blue background. — Stock Photo
    Microscope and piles on Petri dishes in laboratory on blue background.
    Crop hands of scientist operating with equipment in laboratory. — Stock Photo
    Crop hands of scientist operating with equipment in laboratory.
    Scientist putting on gloves before work in laboratory — Stock Photo
    Scientist putting on gloves before work in laboratory