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    Female scientist holding petri dish with hazardous biological cultures. — Stock Photo
    Female scientist holding petri dish with hazardous biological cultures.
    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.
    Gloved hands of male creating detail while working on industrial machine at workshop — Stock Photo
    Gloved hands of male creating detail while working on industrial machine at workshop
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Cheerful woman holding potted plant. — Stock Photo
    Cheerful woman holding potted plant.
    Female biologist holding flask containing stem cells. — Stock Photo
    Female biologist holding flask containing stem cells.