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    Empty stool sampling kit on laboratory table, close-up. — Stock Photo
    Empty stool sampling kit on laboratory table, close-up.
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand. — Stock Photo
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand.
    Close up scientist holding specimen tray — Stock Photo
    Close up scientist holding specimen tray
    Scientists with digital tablet and specimen tray in laboratory — Stock Photo
    Scientists with digital tablet and specimen tray in laboratory
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Blue mineral gemstone on mirror surface. — Stock Photo
    Blue mineral gemstone on mirror surface.
    Female scientist in face mask examining specimen in laboratory — Stock Photo
    Female scientist in face mask examining specimen in laboratory
    Close-up of blood sample in glass phial. — Stock Photo
    Close-up of blood sample in glass phial.
    Female scientists in face masks with specimen holder in laboratory — Stock Photo
    Female scientists in face masks with specimen holder in laboratory
    Female scientist in hijab and face mask with specimen tray — Stock Photo
    Female scientist in hijab and face mask with specimen tray
    Medical UK NHS worker performing drive-thru COVID-19 test,taking nasal — Stock Photo
    Medical UK NHS worker performing drive-thru COVID-19 test,taking nasal
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    Girl holding a glass jar with a butterfly — Stock Photo
    Girl holding a glass jar with a butterfly
    Female researcher pipetting liquid in science laboratory. — Stock Photo
    Female researcher pipetting liquid in science laboratory.
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration. — Stock Photo
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration.
    Black sesame seeds for cooking on a wooden background. top view. flat lay — Stock Photo
    Black sesame seeds for cooking on a wooden background. top view. flat lay
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration. — Stock Photo
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration.
    Female scientists in protective workwear examining specimen — Stock Photo
    Female scientists in protective workwear examining specimen
    Scientists with specimen tray in laboratory — Stock Photo
    Scientists with specimen tray in laboratory
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration. — Stock Photo
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration.
    Green mineral gemstone on mirror surface. — Stock Photo
    Green mineral gemstone on mirror surface.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue