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    Female laboratory assistant using equipment. — Stock Photo
    Female laboratory assistant using equipment.
    Male laboratory assistant holding test tube rack. — Stock Photo
    Male laboratory assistant holding test tube rack.
    Close-up view of ampoule and syringe on mirror surface. — Stock Photo
    Close-up view of ampoule and syringe on mirror surface.
    Pipette dropping liquid to vials. — Stock Photo
    Pipette dropping liquid to vials.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Group of laboratory test tubes with colored liquids. — Stock Photo
    Group of laboratory test tubes with colored liquids.
    Female laboratory assistant using equipment. — Stock Photo
    Female laboratory assistant using equipment.
    Male laboratory assistant wearing glasses. — Stock Photo
    Male laboratory assistant wearing glasses.
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Male laboratory assistant wearing safety goggles. — Stock Photo
    Male laboratory assistant wearing safety goggles.
    Female scientist working in a laboratory. — Stock Photo
    Female scientist working in a laboratory.
    Male scientist using microscope, close-up. — Stock Photo
    Male scientist using microscope, close-up.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Male scientist in protective mask using microscope. — Stock Photo
    Male scientist in protective mask using microscope.
    Scientist hand using pipette, close-up. — Stock Photo
    Scientist hand using pipette, close-up.
    Group of laboratory test tubes with colored liquids. — Stock Photo
    Group of laboratory test tubes with colored liquids.
    Male scientist wearing surgical cap using microscope. — Stock Photo
    Male scientist wearing surgical cap using microscope.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Close-up view of researcher hand taking blood sample from rack of medical samples. — Stock Photo
    Close-up view of researcher hand taking blood sample from rack of medical samples.
    Female scientist using equipment in laboratory. — Stock Photo
    Female scientist using equipment in laboratory.
    Laboratory assistant holding chemical flask with blue liquid. — Stock Photo
    Laboratory assistant holding chemical flask with blue liquid.
    Female and male scientists working in laboratory. — Stock Photo
    Female and male scientists working in laboratory.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Stacked Petri dishes with biohazard warning tape. — Stock Photo
    Stacked Petri dishes with biohazard warning tape.
    Female laboratory assistant holding chemical flask. — Stock Photo
    Female laboratory assistant holding chemical flask.
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Close-up of hands of scientist holding test tube. — Stock Photo
    Close-up of hands of scientist holding test tube.
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Female scientist leaning on desk in laboratory. — Stock Photo
    Female scientist leaning on desk in laboratory.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Blood samples — Stock Photo
    Blood samples
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Medical samples — Stock Photo
    Medical samples
    Blood collection kit — Stock Photo
    Blood collection kit
    Medical samples — Stock Photo
    Medical samples
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Medical samples — Stock Photo
    Medical samples
    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
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Pile of filled medical tesing tubes — Stock Photo
    Pile of filled medical tesing tubes
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Drug ampoules and syringes — Stock Photo
    Drug ampoules and syringes
    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 ampoules and syringes — Stock Photo
    Drug ampoules and syringes
    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 adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Researcher holding a petri dish — Stock Photo
    Researcher holding a petri dish
    Petri dish containing cultured bacteria — Stock Photo
    Petri dish containing cultured bacteria