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    Students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Boy students conducting scientific experiment, examining liquid in test tube in laboratory classroom — Stock Photo
    Boy students conducting scientific experiment, examining liquid in test tube in laboratory classroom
    Senior woman preparing DNA test kit. — Stock Photo
    Senior woman preparing DNA test kit.
    Rack of food samples in test tubes. — Stock Photo
    Rack of food samples in test tubes.
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Mid section of laboratory technician working in blood bank — Stock Photo
    Mid section of laboratory technician working in blood bank
    Close-up of multiple test stick being placed into urine sample tube by female doctor. — Stock Photo
    Close-up of multiple test stick being placed into urine sample tube by female doctor.
    Lab chemist capturing a digital image of a sample slide on a microscope — Stock Photo
    Lab chemist capturing a digital image of a sample slide on a microscope
    Urine sample and diagnostic dipstick on surgical tray. — Stock Photo
    Urine sample and diagnostic dipstick on surgical tray.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Robotic hand holding vial containing coronavirus — Stock Photo
    Robotic hand holding vial containing coronavirus
    Crop anonymous chemist pouring marijuana oil from pipette into sample tube during examination in laboratory — Stock Photo
    Crop anonymous chemist pouring marijuana oil from pipette into sample tube during examination in laboratory
    Girl students conducting scientific experiment in chemistry laboratory classroom — Stock Photo
    Girl students conducting scientific experiment in chemistry laboratory classroom
    Curious kids watching foam in beakers — Stock Photo
    Curious kids watching foam in beakers
    Lab technician adding liquid from graduated cylinder to beaker — Stock Photo
    Lab technician adding liquid from graduated cylinder to beaker
    Senior woman doing a DNA test at home. — Stock Photo
    Senior woman doing a DNA test at home.
    Close up of rack of test tubes with solution in lab — Stock Photo
    Close up of rack of test tubes with solution in lab
    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.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Close-up of scientist planting seedlings into test tubes. — Stock Photo
    Close-up of scientist planting seedlings into test tubes.
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    Pollution control inspector taking sample of polluted water from spring in field. — Stock Photo
    Pollution control inspector taking sample of polluted water from spring in field.
    Barcodes on test tubes with blood samples. — Stock Photo
    Barcodes on test tubes with blood samples.
    Technician holding urine sample for testing in laboratory. — Stock Photo
    Technician holding urine sample for testing in laboratory.
    Researcher extracting blood from a vial — Stock Photo
    Researcher extracting blood from a vial
    Robot arm with test tube. — Stock Photo
    Robot arm with test tube.
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Labelled test tubes with blood samples. — Stock Photo
    Labelled test tubes with blood samples.
    Colorful Eppendorf tubes in rack on white background. — Stock Photo
    Colorful Eppendorf tubes in rack on white background.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Doctor with test tubes in hospital — Stock Photo
    Doctor with test tubes in hospital
    Assorted disposable plastic pipette tips and sample tubes. — Stock Photo
    Assorted disposable plastic pipette tips and sample tubes.
    Scientist pipetting sample into tube for analytical testing in laboratory. — Stock Photo
    Scientist pipetting sample into tube for analytical testing in laboratory.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Close-up view of plant seedling in test tube. — Stock Photo
    Close-up view of plant seedling in test tube.
    Racks of food samples in test tubes. — Stock Photo
    Racks of food samples in test tubes.
    Blood sample awaiting testing in laboratory, close-up with selective focus. — Stock Photo
    Blood sample awaiting testing in laboratory, close-up with selective focus.
    Close-up of microcentrifuge tubes with biologist in background. — Stock Photo
    Close-up of microcentrifuge tubes with biologist in background.
    Girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student using microscope, conducting scientific experiment in laboratory classroom
    Teenage boy experimenting chemical solution in laboratory — Stock Photo
    Teenage boy experimenting chemical solution in laboratory
    Medical worker gloved hands holding test stick in urine sample tube. — Stock Photo
    Medical worker gloved hands holding test stick in urine sample tube.
    Cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cell-based testing kit in bioengineering laboratory.
    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.
    Single test tube with blood sample. — Stock Photo
    Single test tube with blood sample.
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Laboratory assistant holding medical samples in rack, mid section. — Stock Photo
    Laboratory assistant holding medical samples in rack, mid section.
    Green peas in test tube, studio shot. — Stock Photo
    Green peas in test tube, studio shot.
    Unrecognizable female medic in mask and gloves holding tube with blood sample in modern lab in clinic — Stock Photo
    Unrecognizable female medic in mask and gloves holding tube with blood sample in modern lab in clinic
    Concentrated young black male doctor in medical uniform and mask showing test tube with blood sample to attentive boy patient during video call — Stock Photo
    Concentrated young black male doctor in medical uniform and mask showing test tube with blood sample to attentive boy patient during video call
    Crime scene markers and forensics expert collecting blood sample in background. — Stock Photo
    Crime scene markers and forensics expert collecting blood sample in background.
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Test tubes with urine samples for analysis on white background, studio shot. — Stock Photo
    Test tubes with urine samples for analysis on white background, studio shot.
    Urine sample in tube on surgical tray. — Stock Photo
    Urine sample in tube on surgical tray.
    Multipipette and rack of vials for genetic research on white background. — Stock Photo
    Multipipette and rack of vials for genetic research on white background.
    Girl holding test tubes with chemicals — Stock Photo
    Girl holding test tubes with chemicals