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    Close-up of pipetting sample into plastic micro-centrifuge tube. — Stock Photo
    Close-up of pipetting sample into plastic micro-centrifuge tube.
    Laboratory assistants using pipette with digital display. — Stock Photo
    Laboratory assistants using pipette with digital display.
    Hands of immunologist performing skin prick allergy testing on boy. — Stock Photo
    Hands of immunologist performing skin prick allergy testing on boy.
    Lens of modern machine over Petri dish and manipulators during process of ovum fertilization in contemporary lab of clinic — Stock Photo
    Lens of modern machine over Petri dish and manipulators during process of ovum fertilization in contemporary lab of clinic
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab — Stock Photo
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab
    Female pediatrician performing allergy skin prick test on little boy with mother in immunologist office. — Stock Photo
    Female pediatrician performing allergy skin prick test on little boy with mother in immunologist office.
    Close-up of pipettes in stand on desk — Stock Photo
    Close-up of pipettes in stand on desk
    Scientist using pipette tray at fume hood in laboratory — Stock Photo
    Scientist using pipette tray at fume hood in laboratory
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory.
    Students conducting scientific experiment in laboratory classroom — Stock Photo
    Students conducting scientific experiment in laboratory classroom
    Close-up of petri dishes and dropping pipette for genetic research. — Stock Photo
    Close-up of petri dishes and dropping pipette for genetic research.
    Female teacher and students conducting chemical experiment — Stock Photo
    Female teacher and students conducting chemical experiment
    Close-up of pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting blood sample into microcentrifuge tubes.
    Female pediatrician performing allergy skin prick test on little boy with mother in immunologist office. — Stock Photo
    Female pediatrician performing allergy skin prick test on little boy with mother in immunologist office.
    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
    Scientist pipetting sample in microcentrifuge tube for chemical analysis. — Stock Photo
    Scientist pipetting sample in microcentrifuge tube for chemical analysis.
    Close-up of pipette pipetting into test tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into test tubes in pathogenic laboratory.
    Crop scientist using pipette and scales while making research. — Stock Photo
    Crop scientist using pipette and scales while making research.
    Close-up of pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting blood sample into microcentrifuge tubes.
    Close-up of hands of scientist pipetting sample from culture in Petri dish. — Stock Photo
    Close-up of hands of scientist pipetting sample from culture in Petri dish.
    Close up scientist in rubber gloves using pipette to fill tray — Stock Photo
    Close up scientist in rubber gloves using pipette to fill tray
    Pipette and petri dishes for blood testing. — Stock Photo
    Pipette and petri dishes for blood testing.
    Pipette adding sample to petri dish with DNA autoradiogram in background. — Stock Photo
    Pipette adding sample to petri dish with DNA autoradiogram in background.
    Scientist holding chemical flask and using pipette. — Stock Photo
    Scientist holding chemical flask and using pipette.
    Close-up of pipetting colorful liquids into test tubes. — Stock Photo
    Close-up of pipetting colorful liquids into test tubes.
    Male laboratory assistant using pipette. — Stock Photo
    Male laboratory assistant using pipette.
    Curious boy using pipette in beaker at interactive exhibit in science center — Stock Photo
    Curious boy using pipette in beaker at interactive exhibit in science center
    Close-up of scientist pipetting liquid into multiwell tray. — Stock Photo
    Close-up of scientist pipetting liquid into multiwell tray.
    Micropipette pipetting blood sample into Petri dish. — Stock Photo
    Micropipette pipetting blood sample into Petri dish.
    Female doctor measuring with calipers allergic reaction during skin prick test. — Stock Photo
    Female doctor measuring with calipers allergic reaction during skin prick test.
    Scientist analyzing a sample in a test tube at lab — Stock Photo
    Scientist analyzing a sample in a test tube at lab
    Graduated pipette and test tubes — Stock Photo
    Graduated pipette and test tubes
    Team of scientists experimenting together in laboratory — Stock Photo
    Team of scientists experimenting together in laboratory
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab — Stock Photo
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab
    Scientist pipetting solution into the glass test tube at lab — Stock Photo
    Scientist pipetting solution into the glass test tube at lab
    Laboratory scientist adding a small amount of solid reagent to a container on a scale — Stock Photo
    Laboratory scientist adding a small amount of solid reagent to a container on a scale
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Fertilization of human egg — Stock Photo
    Fertilization of human egg
    Hands of female researcher using micropipette and tubes. — Stock Photo
    Hands of female researcher using micropipette and tubes.
    Close-up of pipetting into Eppendorf tubes. — Stock Photo
    Close-up of pipetting into Eppendorf tubes.
    Hands of scientist using pipette and petri dish — Stock Photo
    Hands of scientist using pipette and petri dish
    Close-up of pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting blood sample into microcentrifuge tubes.
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab — Stock Photo
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab
    Technician pipetting samples into cartridges for solid phase extraction. — Stock Photo
    Technician pipetting samples into cartridges for solid phase extraction.
    From above of crop unrecognizable scientist with sample tubes in rack against centrifugal machine in cannabis laboratory — Stock Photo
    From above of crop unrecognizable scientist with sample tubes in rack against centrifugal machine in cannabis laboratory
    Pipetting samples into microcentrifuge tubes — Stock Photo
    Pipetting samples into microcentrifuge tubes
    Close-up of pipetting sample into plastic micro-centrifuge tube. — Stock Photo
    Close-up of pipetting sample into plastic micro-centrifuge tube.
    Pipette placing sample into test tube during experiment in laboratory. — Stock Photo
    Pipette placing sample into test tube during experiment in laboratory.
    Embryo selection for IVF — Stock Photo
    Embryo selection for IVF
    Teenage girl holding pipette while practicing chemistry experiment at desk in lab — Stock Photo
    Teenage girl holding pipette while practicing chemistry experiment at desk in lab
    Close-up of pipetting colorful liquids into test tubes. — Stock Photo
    Close-up of pipetting colorful liquids into test tubes.
    Female doctor measuring with calipers allergic reaction during skin prick test. — Stock Photo
    Female doctor measuring with calipers allergic reaction during skin prick test.
    Scientist pipetting solution into the glass test tube at lab — Stock Photo
    Scientist pipetting solution into the glass test tube at lab
    Scientist pipetting solution into the glass sheet at lab — Stock Photo
    Scientist pipetting solution into the glass sheet at lab
    Female scientists using pipette together in laboratory — Stock Photo
    Female scientists using pipette together in laboratory
    Close-up view of laboratory pipette. — Stock Photo
    Close-up view of laboratory pipette.
    Girl students conducting chemistry experiment in classroom laboratory — Stock Photo
    Girl students conducting chemistry experiment in classroom laboratory
    Hands of immunologist performing skin prick allergy testing on boy. — Stock Photo
    Hands of immunologist performing skin prick allergy testing on boy.
    Female doctor performing skin prick allergy testing on boy for possible allergen. — Stock Photo
    Female doctor performing skin prick allergy testing on boy for possible allergen.