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    Scientist preparing samples in microcentrifuge tubes for chemical analysis. — Stock Photo
    Scientist preparing samples in microcentrifuge tubes for chemical analysis.
    Scientist pipetting sample in microcentrifuge tube for chemical analysis. — Stock Photo
    Scientist pipetting sample in microcentrifuge tube for chemical analysis.
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration. — Stock Photo
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration.
    Close-up of sample tubes in in vitro fertilisation lab. — Stock Photo
    Close-up of sample tubes in in vitro fertilisation lab.
    Case of drug ampules, close-up. — Stock Photo
    Case of drug ampules, close-up.
    Female scientists in face masks and protective workwear in laboratory — Stock Photo
    Female scientists in face masks and protective workwear in laboratory
    Assortment of experimental drugs being tested in chemical laboratory. — Stock Photo
    Assortment of experimental drugs being tested in chemical laboratory.
    Close-up view of needle inserted into vaccine vial. — Stock Photo
    Close-up view of needle inserted into vaccine vial.