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    Test tubes with red liquid in rack. — Stock Photo
    Test tubes with red liquid in rack.
    Racks of food samples in test tubes. — Stock Photo
    Racks of food samples in test tubes.
    Lab chemist preparing automated water test — Stock Photo
    Lab chemist preparing automated water test
    Senior woman preparing DNA test kit. — Stock Photo
    Senior woman preparing DNA test kit.
    Doctors hands making a research in laboratory — Stock Photo
    Doctors hands making a research in laboratory
    Pensive girl student conducting science experiment in classroom laboratory — Stock Photo
    Pensive girl student conducting science experiment in classroom laboratory
    Close-up of pipette pipetting into test tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into test tubes in pathogenic laboratory.
    Cropped view of scientist holding sample for analytical testing. — Stock Photo
    Cropped view of scientist holding sample for analytical testing.
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Top view of crop anonymous male chemist putting sample tubes in centrifugal machine in cannabis lab — Stock Photo
    Top view of crop anonymous male chemist putting sample tubes in centrifugal machine in cannabis lab
    Female microbiologist working in laboratory with test tubes. — Stock Photo
    Female microbiologist working in laboratory with test tubes.
    Mid section of laboratory technician working in blood bank — Stock Photo
    Mid section of laboratory technician working in blood bank
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis. — Stock Photo
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis.
    Scientist preparing samples in microcentrifuge tubes for chemical analysis. — Stock Photo
    Scientist preparing samples in microcentrifuge tubes for chemical analysis.
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    Female scientist in clean suit with test tubes studying coronavirus — Stock Photo
    Female scientist in clean suit with test tubes studying coronavirus
    Attentive female scientist using pipette in laboratory — Stock Photo
    Attentive female scientist using pipette in laboratory
    Test tubes, computer illustration — Stock Photo
    Test tubes, computer illustration
    Close-up of hand adjusting tap on burette tube in pharmaceutical laboratory. — Stock Photo
    Close-up of hand adjusting tap on burette tube in pharmaceutical laboratory.
    Group of laboratory technicians discussing over laptop in blood bank — Stock Photo
    Group of laboratory technicians discussing over laptop in blood bank
    Centrifuging blood samples in barcoded test tubes, digital illustration. — Stock Photo
    Centrifuging blood samples in barcoded test tubes, digital illustration.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Doctors hands making a research in laboratory — Stock Photo
    Doctors hands making a research in laboratory
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Close-up of human urine, blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human urine, blood and various medical samples in test tubes while screening in medical lab.
    Young male and female researchers holding dropper and test tube in laboratory. — Stock Photo
    Young male and female researchers holding dropper and test tube in laboratory.
    Close-up of machine in blood bank — Stock Photo
    Close-up of machine in blood bank
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Forensic scientist taking hair specimen for DNA testing from clothing from crime scene. — Stock Photo
    Forensic scientist taking hair specimen for DNA testing from clothing from crime scene.
    Lab chemist preparing graduated cylinder for standard solution — Stock Photo
    Lab chemist preparing graduated cylinder for standard solution
    Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory.
    Curious kids watching foam in beakers — Stock Photo
    Curious kids watching foam in beakers
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis. — Stock Photo
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis.
    From above of tweezers and glass flasks with plants arranged in rows on white table for biotechnological experiments — Stock Photo
    From above of tweezers and glass flasks with plants arranged in rows on white table for biotechnological experiments
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    Rack of food samples in test tubes. — Stock Photo
    Rack of food samples in test tubes.
    Laboratory technician checking invoices in blood bank — Stock Photo
    Laboratory technician checking invoices in blood bank
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    Researcher extracting blood from a vial — Stock Photo
    Researcher extracting blood from a vial
    Medical check-up including blood and urine test samples and results. — Stock Photo
    Medical check-up including blood and urine test samples and results.
    Female doctor holding tube with blood sample. — Stock Photo
    Female doctor holding tube with blood sample.
    Smoking cannabis by glass yellow tube closeup. Smoking culture — Stock Photo
    Smoking cannabis by glass yellow tube closeup. Smoking culture
    Forensic scientist taking hair specimen for DNA testing from clothing from crime scene. — Stock Photo
    Forensic scientist taking hair specimen for DNA testing from clothing from crime scene.
    Empty PCR tubes on black background. — Stock Photo
    Empty PCR tubes on black background.
    From above of crop unrecognizable medic in uniform preparing patient with tourniquet for intravenous procedure in hospital — Stock Photo
    From above of crop unrecognizable medic in uniform preparing patient with tourniquet for intravenous procedure in hospital
    Racks of samples in test tubes and Petri dishes on laboratory table. — Stock Photo
    Racks of samples in test tubes and Petri dishes on laboratory table.
    Close-up of human urine, blood and various chemistry samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human urine, blood and various chemistry samples in test tubes while screening in medical lab.
    Girl students conducting scientific experiment in chemistry laboratory classroom — Stock Photo
    Girl students conducting scientific experiment in chemistry laboratory classroom
    Raspberries in test tube, studio shot. — Stock Photo
    Raspberries in test tube, studio shot.
    Hand of laboratory technician with micro pipette sampling into test tube. — Stock Photo
    Hand of laboratory technician with micro pipette sampling into test tube.
    Coffee beans in test tube on white background, studio shot. — Stock Photo
    Coffee beans in test tube on white background, studio shot.
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Lab chemist handling water sample — Stock Photo
    Lab chemist handling water sample
    Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Male laboratory assistant holding test tube rack. — Stock Photo
    Male laboratory assistant holding test tube rack.
    Male teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students conducting scientific experiment in laboratory classroom
    Test tubes, computer illustration — Stock Photo
    Test tubes, computer illustration
    Closeup set of medical flasks with blood samples arranged in container in modern hospital laboratory — Stock Photo
    Closeup set of medical flasks with blood samples arranged in container in modern hospital laboratory