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    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption. — Stock Photo
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption.
    Genetics research toolkit — Stock Photo
    Genetics research toolkit
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Scientist holding petri dish and syringe. — Stock Photo
    Scientist holding petri dish and syringe.
    Researcher using a light microscope for studying tube containing blood sample. — Stock Photo
    Researcher using a light microscope for studying tube containing blood sample.
    Person hand holding DNA swab and test results for forensic evidence. — Stock Photo
    Person hand holding DNA swab and test results for forensic evidence.
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    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.
    Machine for automated analysis of donated blood. — Stock Photo
    Machine for automated analysis of donated blood.
    Lab technician holding tray of calibrated samples — Stock Photo
    Lab technician holding tray of calibrated samples
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Multipipette and rack of vials for genetic research on white background. — Stock Photo
    Multipipette and rack of vials for genetic research on white background.
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab.
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    Female scientist examining bacterial culture growing in petri dish. — Stock Photo
    Female scientist examining bacterial culture growing in petri dish.
    Forensic evidence collection with knife for DNA forensic test. — Stock Photo
    Forensic evidence collection with knife for DNA forensic test.
    Hand in latex glove holding ear of wheat — Stock Photo
    Hand in latex glove holding ear of wheat
    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    Female biologist in white coat pouring water into test tube with dissolved samples of soil in laboratory. — Stock Photo
    Female biologist in white coat pouring water into test tube with dissolved samples of soil in laboratory.