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    Test tubes and Petri dishes in pathogenic laboratory. — Stock Photo
    Test tubes and Petri dishes in pathogenic laboratory.
    Close up of test tube machine in factory — Stock Photo
    Close up of test tube machine in factory
    Lab technician picking up samples — Stock Photo
    Lab technician picking up samples
    Close-up of laboratory technician holding tube with blood sample in gloved hand. — Stock Photo
    Close-up of laboratory technician holding tube with blood sample in gloved hand.
    Blood sample awaiting testing in laboratory, close-up with selective focus. — Stock Photo
    Blood sample awaiting testing in laboratory, close-up with selective focus.
    Senior woman doing a mailed DNA test at home. — Stock Photo
    Senior woman doing a mailed DNA test at home.
    Scientific laboratory researcher using test tube and microscope. — Stock Photo
    Scientific laboratory researcher using test tube and microscope.
    Group of laboratory test tubes with colored liquids. — Stock Photo
    Group of laboratory test tubes with colored liquids.
    Female bioarchaeologist analyzing micro tube with human osteological material in laboratory. — Stock Photo
    Female bioarchaeologist analyzing micro tube with human osteological material in laboratory.
    Close up of male worker checking juice in factory — Stock Photo
    Close up of male worker checking juice in factory
    Close-up of female scientists using pipette in laboratory — Stock Photo
    Close-up of female scientists using pipette in laboratory
    Serious male worker examining juice in factory — Stock Photo
    Serious male worker examining juice in factory
    Senior woman doing a mailed DNA test at home. — Stock Photo
    Senior woman doing a mailed DNA test at home.
    Close-up of IV drip of patient in intensive care ward. — Stock Photo
    Close-up of IV drip of patient in intensive care ward.
    Lab chemist handling water sample — Stock Photo
    Lab chemist handling water sample
    Side view of content female veterinarian in uniform with test tube standing at table with microscope in laboratory — Stock Photo
    Side view of content female veterinarian in uniform with test tube standing at table with microscope in laboratory
    DNA strand in test tube, digital illustration. — Stock Photo
    DNA strand in test tube, digital illustration.
    Phases of chocolate cooking — Stock Photo
    Phases of chocolate cooking
    Person hand filling test tube with tap water. — Stock Photo
    Person hand filling test tube with tap water.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Various food produce in test tubes, studio shot. — Stock Photo
    Various food produce in test tubes, studio shot.
    Curious kids watching multicolor foam in beakers — Stock Photo
    Curious kids watching multicolor foam in beakers
    From above closed glass ampoules with scientific samples arranged in black foam rubber case in lab — Stock Photo
    From above closed glass ampoules with scientific samples arranged in black foam rubber case in lab
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    Female scientist holding micro tube with sample in ancient DNA laboratory. — Stock Photo
    Female scientist holding micro tube with sample in ancient DNA laboratory.
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    Scientist pipetting sample in microcentrifuge tube for chemical analysis. — Stock Photo
    Scientist pipetting sample in microcentrifuge tube for chemical analysis.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    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.
    Researcher extracting blood from a vial — Stock Photo
    Researcher extracting blood from a vial
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Group of laboratory technicians discussing over laptop in blood bank — Stock Photo
    Group of laboratory technicians discussing over laptop in blood bank
    Tube with blood sample on metal tray in laboratory, close-up. — Stock Photo
    Tube with blood sample on metal tray in laboratory, close-up.
    Scientist holding tomato piece with tweezers for food research. — Stock Photo
    Scientist holding tomato piece with tweezers for food research.
    Mid section of laboratory technician analyzing chemical solution — Stock Photo
    Mid section of laboratory technician analyzing chemical solution
    Scientist holding petri dish and syringe. — Stock Photo
    Scientist holding petri dish and syringe.
    DNA researcher pipetting into tube with reference in background. — Stock Photo
    DNA researcher pipetting into tube with reference in background.
    Scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Scientist pipetting liquid into Eppendorf tubes.
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    Woman doing experiment in chemical laboratory. — Stock Photo
    Woman doing experiment in chemical laboratory.
    Senior woman doing a mailed DNA test at home. — Stock Photo
    Senior woman doing a mailed DNA test at home.
    Tubes for biological test in rack on blue background. — Stock Photo
    Tubes for biological test in rack on blue background.
    Close-up of male scientist pipetting into test tubes. — Stock Photo
    Close-up of male scientist pipetting into test tubes.
    Female microbiologist working in laboratory with test tubes. — Stock Photo
    Female microbiologist working in laboratory with test tubes.
    Test tubes, computer illustration — Stock Photo
    Test tubes, computer illustration
    Specimens in rack on laboratory counter — Stock Photo
    Specimens in rack on laboratory counter
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory. — Stock Photo
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory.
    Seedlings growing in laboratory test tubes, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in laboratory test tubes, conceptual image of plant research and genetic engineering.
    Close up of pipette dropping solution into test tubes in rack in lab — Stock Photo
    Close up of pipette dropping solution into test tubes in rack in lab
    Green illumination of centrifuge with biohazard test tubes, biological research digital illustration. — Stock Photo
    Green illumination of centrifuge with biohazard test tubes, biological research digital illustration.
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    Female researcher pipetting liquid into test tube. — Stock Photo
    Female researcher pipetting liquid into test tube.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Pollution control inspector taking sample of mud in field by lake. — Stock Photo
    Pollution control inspector taking sample of mud in field by lake.
    Beans and pulses in test tubes. — Stock Photo
    Beans and pulses in test tubes.
    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.
    Labelled vacutainer tubes containing blood samples, close-up. — Stock Photo
    Labelled vacutainer tubes containing blood samples, close-up.
    Colorful Eppendorf tubes in rack on white background. — Stock Photo
    Colorful Eppendorf tubes in rack on white background.
    Close-up of laboratory technician working in blood bank — Stock Photo
    Close-up of laboratory technician working in blood bank
    Scientist holding test tubes with liquids in hand — Stock Photo
    Scientist holding test tubes with liquids in hand