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    Physician checking blood sample in blood bank — Stock Photo
    Physician checking blood sample in blood bank
    Water quality inspector taking sample of water at suspected pollution site — Stock Photo
    Water quality inspector taking sample of water at suspected pollution site
    Laboratory technician holding plasma bags in blood bank — Stock Photo
    Laboratory technician holding plasma bags in blood bank
    Woman examining a bottle of alcohol in beer factory — Stock Photo
    Woman examining a bottle of alcohol in beer factory
    Laboratory technician placing blood bags in machine at blood bank — Stock Photo
    Laboratory technician placing blood bags in machine at blood bank
    Agar plate and specimen brush on blue background. — Stock Photo
    Agar plate and specimen brush on blue background.
    Syringe dripping blood sample into multiwell tray. — Stock Photo
    Syringe dripping blood sample into multiwell tray.
    Medical samples — Stock Photo
    Medical samples
    Close-up of male scientist placing chemical bottle on a machine — Stock Photo
    Close-up of male scientist placing chemical bottle on a machine
    Cropped view of scientist hands pipetting sample for biological research. — Stock Photo
    Cropped view of scientist hands pipetting sample for biological research.
    Scientists experimenting together in laboratory — Stock Photo
    Scientists experimenting together in laboratory
    Female researchers using micropipette in laboratory. — Stock Photo
    Female researchers using micropipette in laboratory.
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    DNA testing using saliva sample. — Stock Photo
    DNA testing using saliva sample.
    Petri dish with blood agar on blue background. — Stock Photo
    Petri dish with blood agar on blue background.
    Top view of microbes growing on agar plate. — Stock Photo
    Top view of microbes growing on agar plate.
    Close-up of rack of cell cultures in tubes in laboratory. — Stock Photo
    Close-up of rack of cell cultures in tubes in laboratory.
    Transparent cervical smear instrument, studio shot. — Stock Photo
    Transparent cervical smear instrument, studio shot.
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Crop anonymous scientist in disposable gloves with liquid in small transparent bottle working in laboratory — Stock Photo
    Crop anonymous scientist in disposable gloves with liquid in small transparent bottle working in laboratory
    Different types of meat and vegetables on wooden table — Stock Photo
    Different types of meat and vegetables on wooden table
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Senior woman doing a DNA test at home. — Stock Photo
    Senior woman doing a DNA test at home.
    Midsection of female microbiologist sterilizing inoculation loop. — Stock Photo
    Midsection of female microbiologist sterilizing inoculation loop.
    Female scientist in face mask using pipette at laboratory centrifuge — Stock Photo
    Female scientist in face mask using pipette at laboratory centrifuge
    Lab chemist placing paper filter for sample testing — Stock Photo
    Lab chemist placing paper filter for sample testing
    Scientist analyzing a sample at lab — Stock Photo
    Scientist analyzing a sample at lab
    Microbiologist working in laboratory with bacteria growth in petri dish. — Stock Photo
    Microbiologist working in laboratory with bacteria growth in petri dish.
    Test tube with red lid on blue background. — Stock Photo
    Test tube with red lid on blue background.
    Laboratory sample tubes in rack. — Stock Photo
    Laboratory sample tubes in rack.