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    Scientist pipetting samples into test tubes in laboratory. — Stock Photo
    Scientist pipetting samples into test tubes in laboratory.
    Scientist closing lid of vial while laboratory testing. — Stock Photo
    Scientist closing lid of vial while laboratory testing.
    Scientist viewing bacteria cultures — Stock Photo
    Scientist viewing bacteria cultures
    Scientist viewing bacteria cultures — Stock Photo
    Scientist viewing bacteria cultures
    Male scientist examining cultures in petri dish. — Stock Photo
    Male scientist examining cultures in petri dish.
    Technician holding urine sample for testing in laboratory. — Stock Photo
    Technician holding urine sample for testing in laboratory.
    Male scientist doing medical testing of sample under microscope. — Stock Photo
    Male scientist doing medical testing of sample under microscope.
    Scientist holding samples in multi well plate during experiment in laboratory. — Stock Photo
    Scientist holding samples in multi well plate during experiment in laboratory.
    Scientist viewing medical sample on glass slide under microscope in laboratory. — Stock Photo
    Scientist viewing medical sample on glass slide under microscope in laboratory.
    Female researcher using light microscope for examining stem cells in culture jar. — Stock Photo
    Female researcher using light microscope for examining stem cells in culture jar.
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab. — Stock Photo
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab.
    Scientist pipetting sample into tube for analytical testing in laboratory. — Stock Photo
    Scientist pipetting sample into tube for analytical testing in laboratory.
    Scientist viewing medical sample on glass slide under microscope in laboratory. — Stock Photo
    Scientist viewing medical sample on glass slide under microscope in laboratory.
    Female scientist examining microbiological culture in petri dish. — Stock Photo
    Female scientist examining microbiological culture in petri dish.
    Pile of filled medical tesing tubes — Stock Photo
    Pile of filled medical tesing tubes
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Scientist pipetting samples into test tubes in laboratory. — Stock Photo
    Scientist pipetting samples into test tubes in laboratory.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Female cell biologist examining flask containing stem cells cultivated in red growth medium. — Stock Photo
    Female cell biologist examining flask containing stem cells cultivated in red growth medium.
    Male scientist doing medical testing of sample under microscope. — Stock Photo
    Male scientist doing medical testing of sample under microscope.
    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.
    Scientist preparing chemical liquid in laboratory flask. — Stock Photo
    Scientist preparing chemical liquid in laboratory flask.
    Researcher designing chemical formula with molecular model. — Stock Photo
    Researcher designing chemical formula with molecular model.
    Scientist examining specimen under microscope during clinical trial in laboratory. — Stock Photo
    Scientist examining specimen under microscope during clinical trial in laboratory.
    Close-up of scientist pipetting sample into eppendorf tube during experiment in laboratory. — Stock Photo
    Close-up of scientist pipetting sample into eppendorf tube during experiment in laboratory.
    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    Close-up of male scientist pipetting into test tubes. — Stock Photo
    Close-up of male scientist pipetting into test tubes.
    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    Pipetting samples machinery for gel electrophoresis. — Stock Photo
    Pipetting samples machinery for gel electrophoresis.
    53751 — Stock Photo
    53751
    Female chemist setting up vacuum pump in laboratory, close-up — Stock Photo
    Female chemist setting up vacuum pump in laboratory, close-up
    Portrait of confident mid adult caucasian woman at work in laboratory — Stock Photo
    Portrait of confident mid adult caucasian woman at work in laboratory
    Testing blood sample from a multi well plate during a clinical investigation. — Stock Photo
    Testing blood sample from a multi well plate during a clinical investigation.
    Pill in Petri dish on gray background. — Stock Photo
    Pill in Petri dish on gray background.
    Scientist pipetting sample in microcentrifuge tube for chemical analysis. — Stock Photo
    Scientist pipetting sample in microcentrifuge tube for chemical analysis.
    Close-up of person hand holding pill in tweezers for pharmaceutical research. — Stock Photo
    Close-up of person hand holding pill in tweezers for pharmaceutical research.
    Ampoules of collagen skin care products. — Stock Photo
    Ampoules of collagen skin care products.
    Close-up of female scientist pipetting with multichannel pipette. — Stock Photo
    Close-up of female scientist pipetting with multichannel pipette.
    Close-up of red glass microtiter plate. — Stock Photo
    Close-up of red glass microtiter plate.
    Pills and capsules in test tube on grey background. — Stock Photo
    Pills and capsules in test tube on grey background.
    Scientist viewing sample on glass slide under light microscope. — Stock Photo
    Scientist viewing sample on glass slide under light microscope.
    Scientists preparing multiwell plate with blood samples for testing and analysis. — Stock Photo
    Scientists preparing multiwell plate with blood samples for testing and analysis.
    Pattern of cultures growing in Petri dishes on plain background. — Stock Photo
    Pattern of cultures growing in Petri dishes on plain background.
    Chemists working in laboratory with glassware with colorful liquids. — Stock Photo
    Chemists working in laboratory with glassware with colorful liquids.
    Mature scientist using light microscope in laboratory. — Stock Photo
    Mature scientist using light microscope in laboratory.
    Female chemist setting up equipment in laboratory. — Stock Photo
    Female chemist setting up equipment in laboratory.
    Two scientists providing research with scales in laboratory. — Stock Photo
    Two scientists providing research with scales in laboratory.
    Variety of pharmacological pills in disposable plastic cups, medication concept. — Stock Photo
    Variety of pharmacological pills in disposable plastic cups, medication concept.
    Female doctor hand in blue glove holding graduated medicine cup full of pills, copy space on white background. — Stock Photo
    Female doctor hand in blue glove holding graduated medicine cup full of pills, copy space on white background.
    Chain of packaging and manufacture of tablets and vials of tablets and pills industrially for the medical and health sector — Stock Photo
    Chain of packaging and manufacture of tablets and vials of tablets and pills industrially for the medical and health sector
    Chain of packaging and manufacture of tablets and vials of tablets and pills industrially for the medical and health sector — Stock Photo
    Chain of packaging and manufacture of tablets and vials of tablets and pills industrially for the medical and health sector
    Petri dishes with blood agar stacked on blue background. — Stock Photo
    Petri dishes with blood agar stacked on blue background.
    Close-up of centrifuge with sample in tube in hands of scientists. — Stock Photo
    Close-up of centrifuge with sample in tube in hands of scientists.
    Medical samples — Stock Photo
    Medical samples
    Multiwell plate with biological samples on white background. — Stock Photo
    Multiwell plate with biological samples on white background.
    Pipette placing sample into test tube during experiment in laboratory. — Stock Photo
    Pipette placing sample into test tube during experiment in laboratory.
    Chain of packaging and manufacture of tablets and vials of tablets and pills industrially for the medical and health sector — Stock Photo
    Chain of packaging and manufacture of tablets and vials of tablets and pills industrially for the medical and health sector
    Variety of potential drugs in petri dish on DNA autoradiogram. — Stock Photo
    Variety of potential drugs in petri dish on DNA autoradiogram.
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.