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    Digital illustration of shaped virus cells. — Stock Photo
    Digital illustration of shaped virus cells.
    Coloured X-ray of the left breast (mammogram) of a 27 year old patient. — Stock Photo
    Coloured X-ray of the left breast (mammogram) of a 27 year old patient.
    Adipose tissue composed of adipocytes — Stock Photo
    Adipose tissue composed of adipocytes
    Aflatoxin B1 molecular model of mycotoxin and close-up view of Aspergillus flavus fungi. — Stock Photo
    Aflatoxin B1 molecular model of mycotoxin and close-up view of Aspergillus flavus fungi.
    Close-up of pipetting sample into plastic micro-centrifuge tube. — Stock Photo
    Close-up of pipetting sample into plastic micro-centrifuge tube.
    Male worker using welding torch in glass factory — Stock Photo
    Male worker using welding torch in glass factory
    Illustration of blue illuminated cancer cell. — Stock Photo
    Illustration of blue illuminated cancer cell.
    Female patient lying in MRI scanner. — Stock Photo
    Female patient lying in MRI scanner.
    Visual rendering of Human cells — Stock Photo
    Visual rendering of Human cells
    Rod-shaped bacterial strands — Stock Photo
    Rod-shaped bacterial strands
    Human brain cross-section — Stock Photo
    Human brain cross-section
    Giardia lamblia flagellated protozoan parasite, digital illustration. — Stock Photo
    Giardia lamblia flagellated protozoan parasite, digital illustration.
    House dust mite on human skin — Stock Photo
    House dust mite on human skin
    Scientist hand carrying bacteria colonies growing in Petri dish. — Stock Photo
    Scientist hand carrying bacteria colonies growing in Petri dish.
    Malignant tumor in the colon — Stock Photo
    Malignant tumor in the colon
    Ginger boy using light microscope on green grass. — Stock Photo
    Ginger boy using light microscope on green grass.
    Close-up of glass syringe with stand arranged on table in laboratory — Stock Photo
    Close-up of glass syringe with stand arranged on table in laboratory
    House dust mite on human skin — Stock Photo
    House dust mite on human skin
    Fusarium fungus on black background, digital illustration. — Stock Photo
    Fusarium fungus on black background, digital illustration.
    Stomach cancer in human body, digital illustration. — Stock Photo
    Stomach cancer in human body, digital illustration.
    Adult head louse — Stock Photo
    Adult head louse
    Curious students examining liquid in beaker, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious students examining liquid in beaker, conducting scientific experiment in laboratory classroom
    3d illustration of optical light guide cables in grey and red with open ends which shining brightly. — Stock Photo
    3d illustration of optical light guide cables in grey and red with open ends which shining brightly.
    Scientist holding petri dish with biohazard warning in microbiology lab. — Stock Photo
    Scientist holding petri dish with biohazard warning in microbiology lab.
    Stem cell research — Stock Photo
    Stem cell research
    Thick legged hoverfly on dried wild plant. — Stock Photo
    Thick legged hoverfly on dried wild plant.
    3d illustration of cross-section showing structure of Earth, from core to atmosphere. — Stock Photo
    3d illustration of cross-section showing structure of Earth, from core to atmosphere.
    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.
    Measles virus particles, digital illustration. — Stock Photo
    Measles virus particles, digital illustration.
    Close-up of pipetting blood sample into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting blood sample into microcentrifuge tubes.
    Researcher placing petri dish with cell culture under microscope. — Stock Photo
    Researcher placing petri dish with cell culture under microscope.
    Digital illustration of Acanthamoeba castellanii amoebas on white background. — Stock Photo
    Digital illustration of Acanthamoeba castellanii amoebas on white background.
    College students clapping for classmate in science laboratory classroom — Stock Photo
    College students clapping for classmate in science laboratory classroom
    Red blood cells, abstract digital illustration. — Stock Photo
    Red blood cells, abstract digital illustration.
    Slender crab spider hunting on grass seed spike. — Stock Photo
    Slender crab spider hunting on grass seed spike.
    Male scientist adjusting pressure gauge of cylinder in laboratory — Stock Photo
    Male scientist adjusting pressure gauge of cylinder in laboratory
    Male teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students conducting scientific experiment in laboratory classroom
    Prosthetic heart valves — Stock Photo
    Prosthetic heart valves
    Scientist putting on gloves before work at laboratory — Stock Photo
    Scientist putting on gloves before work at laboratory
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, 3D illustration. — Stock Photo
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, 3D illustration.
    Close-up of biologist pouring water into containers with soil samples. — Stock Photo
    Close-up of biologist pouring water into containers with soil samples.
    Measles virus particles, digital illustration. — Stock Photo
    Measles virus particles, digital illustration.
    Dried plant covered by white frost outdoors. — Stock Photo
    Dried plant covered by white frost outdoors.
    Close up scientist's hand pouring reagent in flasks while experiment — Stock Photo
    Close up scientist's hand pouring reagent in flasks while experiment
    Cholera bacteria colony — Stock Photo
    Cholera bacteria colony
    Human head anatomy — Stock Photo
    Human head anatomy
    View of Fetus at 31 weeks — Stock Photo
    View of Fetus at 31 weeks
    Burning Bunsen burner on black background. — Stock Photo
    Burning Bunsen burner on black background.
    Side view of male worker working in glass factory — Stock Photo
    Side view of male worker working in glass factory
    View of fetus at 23 weeks — Stock Photo
    View of fetus at 23 weeks
    Parasitic nematode worm — Stock Photo
    Parasitic nematode worm
    Scientist hand placing sample on slide under microscope. — Stock Photo
    Scientist hand placing sample on slide under microscope.
    Close-up of 3d rendering microscopic blue bacteria. — Stock Photo
    Close-up of 3d rendering microscopic blue bacteria.
    View of fetus at 30 weeks — Stock Photo
    View of fetus at 30 weeks
    View of Fetus at 24 weeks — Stock Photo
    View of Fetus at 24 weeks
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    Scientist pouring chemical solution on test tube from bottle in lab — Stock Photo
    Scientist pouring chemical solution on test tube from bottle in lab
    Senior bearded male doctor in uniform and disposable gloves demonstrating small bottle with blue liquid substance on white background — Stock Photo
    Senior bearded male doctor in uniform and disposable gloves demonstrating small bottle with blue liquid substance on white background
    Close up of worker using soldering iron in glass factory — Stock Photo
    Close up of worker using soldering iron in glass factory
    Lab technician adding liquid from graduated cylinder to beaker — Stock Photo
    Lab technician adding liquid from graduated cylinder to beaker