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    Close-up of person hand holding pill in tweezers for pharmaceutical research. — Stock Photo
    Close-up of person hand holding pill in tweezers for pharmaceutical research.
    Scientist holding petri dish with biohazard warning in microbiology lab. — Stock Photo
    Scientist holding petri dish with biohazard warning in microbiology lab.
    Scientist holding petri dish with biohazard warning in microbiology lab. — Stock Photo
    Scientist holding petri dish with biohazard warning in microbiology lab.
    Close-up of person hand holding pill in tweezers for pharmaceutical research. — Stock Photo
    Close-up of person hand holding pill in tweezers for pharmaceutical research.
    Close-up of petri dishes and pipette for genetic research. — Stock Photo
    Close-up of petri dishes and pipette for genetic research.
    Petri dishes with colorful liquids for microbiology research. — Stock Photo
    Petri dishes with colorful liquids for microbiology research.
    Petri dishes for DNA sequencing, close-up. — Stock Photo
    Petri dishes for DNA sequencing, close-up.
    Scientist gloved hands holding micro-petri dishes. — Stock Photo
    Scientist gloved hands holding micro-petri dishes.
    Stacked petri dishes with with biohazard warning. — Stock Photo
    Stacked petri dishes with with biohazard warning.
    Petri dishes stacked on blue background. — Stock Photo
    Petri dishes stacked on blue background.
    Light microscope with petri dishes on blue background. — Stock Photo
    Light microscope with petri dishes on blue background.
    Petri dishes and pipette, close-up. — Stock Photo
    Petri dishes and pipette, close-up.
    Sprouting beans in petri dishes on white background. — Stock Photo
    Sprouting beans in petri dishes on white background.
    Petri dishes on laboratory table, close-up. — Stock Photo
    Petri dishes on laboratory table, close-up.
    Petri dishes stacked on blue background. — Stock Photo
    Petri dishes stacked on blue background.
    Pills in Petri dishes on gray background. — Stock Photo
    Pills in Petri dishes on gray background.
    Stacked Petri dishes with biohazard warning tape. — Stock Photo
    Stacked Petri dishes with biohazard warning tape.
    Sprouting beans in petri dishes on white background. — Stock Photo
    Sprouting beans in petri dishes on white background.
    Sprouting beans in petri dishes on white background. — Stock Photo
    Sprouting beans in petri dishes on white background.
    Pills in petri dishes — Stock Photo
    Pills in petri dishes
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Pipette driping liquid in petri dishes — Stock Photo
    Pipette driping liquid in petri dishes
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Pills in petri dishes — Stock Photo
    Pills in petri dishes
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Researcher holding a petri dish — Stock Photo
    Researcher holding a petri dish
    Culturing anaerobic bacteria — Stock Photo
    Culturing anaerobic bacteria
    Petri dish containing cultured bacteria — Stock Photo
    Petri dish containing cultured bacteria
    Scientist viewing bacteria cultures — Stock Photo
    Scientist viewing bacteria cultures
    Bacterial contamination tests — Stock Photo
    Bacterial contamination tests
    Culturing anaerobic bacteria — Stock Photo
    Culturing anaerobic bacteria
    Scientist viewing bacteria cultures — Stock Photo
    Scientist viewing bacteria cultures
    Researcher holding a petri dish — Stock Photo
    Researcher holding a petri dish
    Scientist viewing bacteria cultures — Stock Photo
    Scientist viewing bacteria cultures
    Researcher holding a petri dish — Stock Photo
    Researcher holding a petri dish
    Researcher holding a petri dish — Stock Photo
    Researcher holding a petri dish
    Petri dish containing cultured bacteria — Stock Photo
    Petri dish containing cultured bacteria
    Petri dishes with bacteria — Stock Photo
    Petri dishes with bacteria