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    Female scientist holding tube with blood sample. — Stock Photo
    Female scientist holding tube with blood sample.
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Cropped view of male doctor holding peak flow meter. — Stock Photo
    Cropped view of male doctor holding peak flow meter.
    Cropped view of lab technician carrying cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cropped view of lab technician carrying cell-based testing kit in bioengineering laboratory.
    Female scientist in laboratory looking at glass flask with dissolved samples of soil. — Stock Photo
    Female scientist in laboratory looking at glass flask with dissolved samples of soil.
    Pill in Petri dish on gray background. — Stock Photo
    Pill in Petri dish on gray background.
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    Syringe dripping blood droplet into test tubes. — Stock Photo
    Syringe dripping blood droplet into test tubes.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Gloved hand holding multiwell tray containing blood samples. — Stock Photo
    Gloved hand holding multiwell tray containing blood samples.
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Plant seedling in soil in Petri dish in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish in laboratory.
    Tubes for biological test in rack on blue background. — Stock Photo
    Tubes for biological test in rack on blue background.
    Green illumination of centrifuge with test tubes, biological research digital illustration. — Stock Photo
    Green illumination of centrifuge with test tubes, biological research digital illustration.
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory.
    Person in latex glove holding test tube with ear of wheat — Stock Photo
    Person in latex glove holding test tube with ear of wheat
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Group of laboratory test tubes with colored liquids. — Stock Photo
    Group of laboratory test tubes with colored liquids.
    Blood samples in centrifuge tubes on white background. — Stock Photo
    Blood samples in centrifuge tubes on white background.
    Female biologist in white coat pouring water in soil sample. — Stock Photo
    Female biologist in white coat pouring water in soil sample.
    Cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cell-based testing kit in bioengineering laboratory.
    Pile of filled medical tesing tubes — Stock Photo
    Pile of filled medical tesing tubes
    Close-up of scientist hand holding PCR multiwell plate. — Stock Photo
    Close-up of scientist hand holding PCR multiwell plate.
    Centrifuging blood samples with barcodes, digital illustration. — Stock Photo
    Centrifuging blood samples with barcodes, digital illustration.
    Test tubes, computer illustration — Stock Photo
    Test tubes, computer illustration
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Sprouting peas in test tubes on white background. — Stock Photo
    Sprouting peas in test tubes on white background.
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab — Stock Photo
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab
    Bacterial colonies on agar plates — Stock Photo
    Bacterial colonies on agar plates
    Female scientist in laboratory looking at glass flask with dissolved samples of soil. — Stock Photo
    Female scientist in laboratory looking at glass flask with dissolved samples of soil.
    Petri dishes with blood agar on blue background. — Stock Photo
    Petri dishes with blood agar on blue background.
    Female scientist in white coat taking notes in soil testing laboratory. — Stock Photo
    Female scientist in white coat taking notes in soil testing laboratory.
    Test tubes, computer illustration — Stock Photo
    Test tubes, computer illustration
    Seedlings growing in laboratory test multiwell, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in laboratory test multiwell, conceptual image of plant research and genetic engineering.
    Scientist holding petri dish and swab. — Stock Photo
    Scientist holding petri dish and swab.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory.
    Close-up of lab-on-a-chip integrated circuit device on black background. — Stock Photo
    Close-up of lab-on-a-chip integrated circuit device on black background.
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory.
    Female researcher pipetting liquid in laboratory. — Stock Photo
    Female researcher pipetting liquid in laboratory.
    Close-up of scientist holding blood testing microtubes. — Stock Photo
    Close-up of scientist holding blood testing microtubes.
    Scientist holding samples in multi well plate during experiment in laboratory. — Stock Photo
    Scientist holding samples in multi well plate during experiment in laboratory.
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge. — Stock Photo
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge.
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Lab technician carrying cell-based testing kit in bioengineering laboratory. — Stock Photo
    Lab technician carrying cell-based testing kit in bioengineering laboratory.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Petri dishes with culture in laboratory, microbiology research concept. — Stock Photo
    Petri dishes with culture in laboratory, microbiology research concept.
    Top view of dead mouse in Petri dish. — Stock Photo
    Top view of dead mouse in Petri dish.
    Syringe dripping blood sample into multiwell tray. — Stock Photo
    Syringe dripping blood sample into multiwell tray.
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Petri dishes for DNA sequencing, close-up. — Stock Photo
    Petri dishes for DNA sequencing, close-up.
    Gloved hand of laboratory assistant staking growth in petri dish, close-up. — Stock Photo
    Gloved hand of laboratory assistant staking growth in petri dish, close-up.
    Female doctor holding tube with blood sample. — Stock Photo
    Female doctor holding tube with blood sample.
    Petri dishes with colorful liquids for microbiology research. — Stock Photo
    Petri dishes with colorful liquids for microbiology research.
    Pipette bottles in tray with allergens. — Stock Photo
    Pipette bottles in tray with allergens.
    Female researcher studying DNA autoradiogram. — Stock Photo
    Female researcher studying DNA autoradiogram.
    Scientist pipetting sample in microcentrifuge tube for chemical analysis. — Stock Photo
    Scientist pipetting sample in microcentrifuge tube for chemical analysis.
    Close-up of examination of soil samples in agricultural laboratory. — Stock Photo
    Close-up of examination of soil samples in agricultural laboratory.
    PCR tubes with orange and purple samples on black background. — Stock Photo
    PCR tubes with orange and purple samples on black background.
    Preteen girl breathing into peak flow meter and looking at nurse. — Stock Photo
    Preteen girl breathing into peak flow meter and looking at nurse.