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    DNA researcher pipetting into tube with reference in background. — Stock Photo
    DNA researcher pipetting into tube with reference in background.
    Close up of rack of test tubes with solution in lab — Stock Photo
    Close up of rack of test tubes with solution in lab
    Green seedlings in test tubes, close-up. — Stock Photo
    Green seedlings in test tubes, close-up.
    University student doing experiment on microscope in laboratory at college — Stock Photo
    University student doing experiment on microscope in laboratory at college
    Food samples in test tubes on blue background. — Stock Photo
    Food samples in test tubes on blue background.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Scientists experimenting together in laboratory — Stock Photo
    Scientists experimenting together in laboratory
    Laboratory technician using refrigerated centrifuge machine in blood bank — Stock Photo
    Laboratory technician using refrigerated centrifuge machine in blood bank
    Doctors hands making a research in laboratory — Stock Photo
    Doctors hands making a research in laboratory
    Doctor with test tubes in hospital — Stock Photo
    Doctor with test tubes in hospital
    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.
    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 university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Female scientists in face masks working in laboratory — Stock Photo
    Female scientists in face masks working in 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.
    Female scientist holding micro tube with sample in ancient DNA laboratory. — Stock Photo
    Female scientist holding micro tube with sample in ancient DNA laboratory.
    Teacher and students during chemistry lesson, wearing protective eyewear and looking at test tubes — Stock Photo
    Teacher and students during chemistry lesson, wearing protective eyewear and looking at test tubes
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration. — Stock Photo
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration.
    Scientist pipetting solution into the glass test tube at lab — Stock Photo
    Scientist pipetting solution into the glass test tube at lab
    Blood samples in centrifuge tubes on white background. — Stock Photo
    Blood samples in centrifuge tubes on white background.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Close-up of a doctor putting a PCR test swab into a tube — Stock Photo
    Close-up of a doctor putting a PCR test swab into a tube
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    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
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Mid section of laboratory technicians holding tags in blood bank — Stock Photo
    Mid section of laboratory technicians holding tags in blood bank
    PCR tubes with orange and purple samples on black background. — Stock Photo
    PCR tubes with orange and purple samples on black background.
    Close-up of pipetting colorful liquids into test tubes. — Stock Photo
    Close-up of pipetting colorful liquids into test tubes.
    Laboratory technician checking invoices in blood bank — Stock Photo
    Laboratory technician checking invoices in blood bank
    Scientist preparing samples in microcentrifuge tubes for chemical analysis. — Stock Photo
    Scientist preparing samples in microcentrifuge tubes for chemical analysis.
    Colorful fruits and vegetables in test tubes, studio shot. — Stock Photo
    Colorful fruits and vegetables in test tubes, studio shot.
    Close-up of blood sample in kidney dish. — Stock Photo
    Close-up of blood sample in kidney dish.
    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.
    Scientist holding tomato piece with tweezers for food research. — Stock Photo
    Scientist holding tomato piece with tweezers for food research.
    Male laboratory assistant holding test tube rack. — Stock Photo
    Male laboratory assistant holding test tube rack.
    Scientist preparing samples in microcentrifuge tubes for chemical analysis. — Stock Photo
    Scientist preparing samples in microcentrifuge tubes for chemical analysis.
    Three test tubes with various liquids in tube rack. — Stock Photo
    Three test tubes with various liquids in tube rack.
    Laboratory technician scanning bar code of test tube rack in blood bank — Stock Photo
    Laboratory technician scanning bar code of test tube rack in blood bank
    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
    Serious male worker examining juice in factory — Stock Photo
    Serious male worker examining juice in factory
    Laboratory technician holding test tubes in blood bank — Stock Photo
    Laboratory technician holding test tubes in blood bank
    Students conducting scientific experiment in laboratory classroom — Stock Photo
    Students conducting scientific experiment in laboratory classroom
    Various food produce in test tubes, studio shot. — Stock Photo
    Various food produce in test tubes, studio shot.
    Rack of food samples in test tubes. — Stock Photo
    Rack of food samples in test tubes.
    Tubes for biological test in rack on blue background. — Stock Photo
    Tubes for biological test in rack on blue background.
    Labelled vacutainer tubes containing blood samples, close-up. — Stock Photo
    Labelled vacutainer tubes containing blood samples, close-up.
    Sterile tubes and medical samples on glass table — Stock Photo
    Sterile tubes and medical samples on glass table
    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
    Hand of technician holding hepatitis sample for testing in laboratory. — Stock Photo
    Hand of technician holding hepatitis sample for testing in laboratory.
    Scientist pipetting samples into test tubes in laboratory. — Stock Photo
    Scientist pipetting samples into test tubes in laboratory.
    Laboratory technician using laptop in blood bank — Stock Photo
    Laboratory technician using laptop in blood bank
    Female microbiologist working in laboratory with test tubes. — Stock Photo
    Female microbiologist working in laboratory with test tubes.
    Lab chemist handling water sample — Stock Photo
    Lab chemist handling water sample
    Senior woman preparing DNA test kit. — Stock Photo
    Senior woman preparing DNA test kit.
    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.
    Genetic research tube containing DNA sample with DNA profile in background. — Stock Photo
    Genetic research tube containing DNA sample with DNA profile in background.
    Laboratory technicians working together in blood bank — Stock Photo
    Laboratory technicians working together in blood bank
    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.
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes