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    Medical sample tube labelled with bar code. — Stock Photo
    Medical sample tube labelled with bar code.
    Forensic scientist putting swab into sample tube. — Stock Photo
    Forensic scientist putting swab into sample tube.
    Forensic scientist putting swab into sample tube. — Stock Photo
    Forensic scientist putting swab into sample tube.
    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.
    Close-up of sample tubes with medical samples. — Stock Photo
    Close-up of sample tubes with medical samples.
    Hand of researcher holding vacutainer tube above pool of blood and syringe. — Stock Photo
    Hand of researcher holding vacutainer tube above pool of blood and syringe.
    Hand of researcher holding vacutainer tube above pool of blood and syringe. — Stock Photo
    Hand of researcher holding vacutainer tube above pool of blood and syringe.
    Laboratory technician holding test tubes in blood bank — Stock Photo
    Laboratory technician holding test tubes in blood bank
    Close-up of multipipette sampling liquid into tube rack in laboratory. — Stock Photo
    Close-up of multipipette sampling liquid into tube rack in laboratory.
    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.
    Lab technician adding liquid from graduated cylinder to beaker — Stock Photo
    Lab technician adding liquid from graduated cylinder to beaker
    Colorful Eppendorf tubes in rack on white background. — Stock Photo
    Colorful Eppendorf tubes in rack on white background.
    Researcher hand holding vacutainer tube in front of yellow tray. — Stock Photo
    Researcher hand holding vacutainer tube in front of yellow tray.
    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    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
    Medical worker gloved hands holding test stick in urine sample tube. — Stock Photo
    Medical worker gloved hands holding test stick in urine sample tube.
    Close-up of pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting blood sample into microcentrifuge tubes.
    Close up scientist in rubber gloves placing specimen in centrifuge — Stock Photo
    Close up scientist in rubber gloves placing specimen in centrifuge
    Female scientist holding micro tube with sample in ancient DNA laboratory for ancient DNA analysis. — Stock Photo
    Female scientist holding micro tube with sample in ancient DNA laboratory for ancient DNA analysis.
    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
    Side view of unrecognizable female medic in mask and gloves holding tube with blood sample in modern lab in clinic — Stock Photo
    Side view of unrecognizable female medic in mask and gloves holding tube with blood sample in modern lab in clinic
    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.
    African American male doctor in medical glove demonstrating test tube with blood sample on white background — Stock Photo
    African American male doctor in medical glove demonstrating test tube with blood sample on white background
    Female scientist pipetting sample into microcentrifuge tubes ready for automated analysis while biotechnology research. — Stock Photo
    Female scientist pipetting sample into microcentrifuge tubes ready for automated analysis while biotechnology research.
    Female scientist holding micro tube with sample in ancient DNA laboratory with human skull on table. — Stock Photo
    Female scientist holding micro tube with sample in ancient DNA laboratory with human skull on table.
    Unrecognizable serious black male scientist in medical robe and mask demonstrating blood sample in test tube while having video call on laptop in clinic — Stock Photo
    Unrecognizable serious black male scientist in medical robe and mask demonstrating blood sample in test tube while having video call on laptop in clinic
    Single test tube with blood sample. — Stock Photo
    Single test tube with blood sample.
    Team of scientists experimenting together in laboratory — Stock Photo
    Team of scientists experimenting together in laboratory
    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
    Plastic test tubes in rack on white background. — Stock Photo
    Plastic test tubes in rack on white background.
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Glass tube with blood sample of patient placed near syringe on table in vet clinic laboratory — Stock Photo
    Glass tube with blood sample of patient placed near syringe on table in vet clinic laboratory
    Forensics expert collecting blood sample from crime scene. — Stock Photo
    Forensics expert collecting blood sample from crime scene.
    Laboratory technician analyzing blood samples in blood bank — Stock Photo
    Laboratory technician analyzing blood samples in blood bank
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Close-up of stethoscope alongside blood sample in test tube, syringe and medical vial in a clinic. — Stock Photo
    Close-up of stethoscope alongside blood sample in test tube, syringe and medical vial in a clinic.
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Lab chemist placing paper filter for sample testing — Stock Photo
    Lab chemist placing paper filter for sample testing
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    DNA test result on microcentrifuge tube with DNA sample in scientist hand. — Stock Photo
    DNA test result on microcentrifuge tube with DNA sample in scientist hand.
    Close-up of multipipette sampling liquid into tube rack in laboratory. — Stock Photo
    Close-up of multipipette sampling liquid into tube rack in laboratory.
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Scientist pipetting sample into tube for analytical testing in laboratory. — Stock Photo
    Scientist pipetting sample into tube for analytical testing in laboratory.
    Vials with scientific samples arranged on glass table — Stock Photo
    Vials with scientific samples arranged on glass table
    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.
    Female scientist holding tube with blood sample. — Stock Photo
    Female scientist holding tube with blood sample.
    Laboratory technician with micro pipette sampling into test tube. — Stock Photo
    Laboratory technician with micro pipette sampling into test tube.
    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
    Side view of male biologist in protective glasses and mask opening bottle with liquid at table in cannabis laboratory — Stock Photo
    Side view of male biologist in protective glasses and mask opening bottle with liquid at table in cannabis laboratory
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis. — Stock Photo
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis.
    Crime scene markers and forensics expert collecting blood sample in background. — Stock Photo
    Crime scene markers and forensics expert collecting blood sample in background.
    Laboratory assistant holding test tube, close-up. — Stock Photo
    Laboratory assistant holding test tube, close-up.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Urine sample and diagnostic dipstick on surgical tray. — Stock Photo
    Urine sample and diagnostic dipstick on surgical tray.
    Gloved hand holding blood sample in test tube. — Stock Photo
    Gloved hand holding blood sample in test tube.
    Lab chemist collecting a small amount of liquid with a dropper — Stock Photo
    Lab chemist collecting a small amount of liquid with a dropper
    Scientist hand sampling water in test tube for quality testing. — Stock Photo
    Scientist hand sampling water in test tube for quality testing.
    Close up of rack of test tubes with solution in lab — Stock Photo
    Close up of rack of test tubes with solution in lab
    Laboratory technician using refrigerated centrifuge machine in blood bank — Stock Photo
    Laboratory technician using refrigerated centrifuge machine in blood bank