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    Close-up of light microscope stage and lenses. — Stock Photo
    Close-up of light microscope stage and lenses.
    Female teacher and students watching scientific experiment chemical reaction in laboratory classroom — Stock Photo
    Female teacher and students watching scientific experiment chemical reaction in laboratory classroom
    Petri dishes stacked on blue background. — Stock Photo
    Petri dishes stacked on blue background.
    Biotechnology female scientist working in laboratory. — Stock Photo
    Biotechnology female scientist working in laboratory.
    Mid section of male worker using welding torch in glass factory — Stock Photo
    Mid section of male worker using welding torch in glass factory
    Four syringes with colorful liquids, studio shot. — Stock Photo
    Four syringes with colorful liquids, studio shot.
    College students conducting scientific experiment in science laboratory classroom — Stock Photo
    College students conducting scientific experiment in science laboratory classroom
    Medical test machine with loaded test tubes — Stock Photo
    Medical test machine with loaded test tubes
    Portrait smiling college students in science laboratory classroom — Stock Photo
    Portrait smiling college students in science laboratory classroom
    Cervical screening test equipment on white background. — Stock Photo
    Cervical screening test equipment on white background.
    Top view of microbes growing on agar plate on plain background. — Stock Photo
    Top view of microbes growing on agar plate on plain background.
    Top view of microbes growing on agar plate on plain background. — Stock Photo
    Top view of microbes growing on agar plate on plain background.
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.