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    Urine sample in tube on surgical tray. — Stock Photo
    Urine sample in tube on surgical tray.
    Scientist observing chemical experiment in laboratory. — Stock Photo
    Scientist observing chemical experiment in laboratory.
    Female scientist holding blood samples in test tubes. — Stock Photo
    Female scientist holding blood samples in test tubes.
    Medical samples in centrifuge. — Stock Photo
    Medical samples in centrifuge.
    Scientist holding DNA autoradiogram in hand. — Stock Photo
    Scientist holding DNA autoradiogram in hand.
    Pool of blood in watch glass with syringe. — Stock Photo
    Pool of blood in watch glass with syringe.
    Petri dishes on laboratory table, close-up. — Stock Photo
    Petri dishes on laboratory table, close-up.
    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 doing experiment in laboratory. — Stock Photo
    Female scientist doing experiment in laboratory.
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Female scientist working in laboratory with digital tablet. — Stock Photo
    Female scientist working in laboratory with digital tablet.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Female scientist posing in laboratory. — Stock Photo
    Female scientist posing in laboratory.
    Pool of blood in watch glass with syringe. — Stock Photo
    Pool of blood in watch glass with syringe.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Female scientist working in laboratory with digital tablet. — Stock Photo
    Female scientist working in laboratory with digital tablet.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Urine sample and diagnostic dipstick on surgical tray. — Stock Photo
    Urine sample and diagnostic dipstick on surgical tray.
    Female scientist working in a laboratory. — Stock Photo
    Female scientist working in a laboratory.
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    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 looking at notes in laboratory. — Stock Photo
    Female scientists looking at notes in laboratory.
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Female scientists talking in laboratory. — Stock Photo
    Female scientists talking in laboratory.
    Female scientist leaning on desk in laboratory. — Stock Photo
    Female scientist leaning on desk in laboratory.
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Close-up of female hand reaching for lab coat. — Stock Photo
    Close-up of female hand reaching for lab coat.
    Pipetting samples into microcentrifuge tubes — Stock Photo
    Pipetting samples into microcentrifuge tubes
    Doctors hands making a research in laboratory — Stock Photo
    Doctors hands making a research in laboratory
    Graduated pipette and test tubes — Stock Photo
    Graduated pipette and test tubes
    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
    Graduated pipette and test tubes — Stock Photo
    Graduated pipette and test tubes
    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
    Medical test machine with loaded test tubes — Stock Photo
    Medical test machine with loaded test tubes
    Pipetting samples into microcentrifuge tubes — Stock Photo
    Pipetting samples into microcentrifuge tubes
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Doctors hands making a research in laboratory — Stock Photo
    Doctors hands making a research in laboratory
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Genetics research toolkit — Stock Photo
    Genetics research toolkit
    Genetics research toolkit — Stock Photo
    Genetics research toolkit
    Genetics research toolkit — Stock Photo
    Genetics research toolkit
    Blood samples ready for analysis — Stock Photo
    Blood samples ready for analysis
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    Blood samples ready for analysis — Stock Photo
    Blood samples ready for analysis
    Microbes growing in a Petri dish — Stock Photo
    Microbes growing in a Petri dish