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    Abstract illustration of nanostructure of metamaterial surface. — Stock Photo
    Abstract illustration of nanostructure of metamaterial surface.
    Girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student using microscope, conducting scientific experiment in laboratory classroom
    Researcher designing chemical formula with molecular model. — Stock Photo
    Researcher designing chemical formula with molecular model.
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Illustration of yellow abscesses on kidney and close-up of Escherichia bacteria. — Stock Photo
    Illustration of yellow abscesses on kidney and close-up of Escherichia bacteria.
    Antibiotic passing through bacterial wall — Stock Photo
    Antibiotic passing through bacterial wall
    Conceptual illustration of association of Bacteroides massiliensis bacteria in intestine with prostate cancer development. — Stock Photo
    Conceptual illustration of association of Bacteroides massiliensis bacteria in intestine with prostate cancer development.
    3d illustration of intestinal finger-like villi projections extending in lumen of small intestine — Stock Photo
    3d illustration of intestinal finger-like villi projections extending in lumen of small intestine
    Large intestine showing diverticulitis — Stock Photo
    Large intestine showing diverticulitis
    Bacteria forming a human head — Stock Photo
    Bacteria forming a human head
    Giardia lamblia protozoan parasites, digital illustration — Stock Photo
    Giardia lamblia protozoan parasites, digital illustration
    Illustration of flowing human blood cells. — Stock Photo
    Illustration of flowing human blood cells.
    Activated platelets in blood vessel — Stock Photo
    Activated platelets in blood vessel
    Burning Bunsen burner on black background. — Stock Photo
    Burning Bunsen burner on black background.
    Close-up of male scientist working in laboratory — Stock Photo
    Close-up of male scientist working in laboratory
    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 rack of test tubes with solution in lab — Stock Photo
    Close up of rack of test tubes with solution in lab
    X chromosomes structure and composition — Stock Photo
    X chromosomes structure and composition
    Human sperm cells — Stock Photo
    Human sperm cells
    Earth and the Sun — Stock Photo
    Earth and the Sun
    Human white blood cell — Stock Photo
    Human white blood cell
    Close-up of drop of liquid pipetted into glass bottle. — Stock Photo
    Close-up of drop of liquid pipetted into glass bottle.
    Close-up of pipetting sample into plastic micro-centrifuge tube rack. — Stock Photo
    Close-up of pipetting sample into plastic micro-centrifuge tube rack.
    Female chemist setting up vacuum pump in laboratory, close-up — Stock Photo
    Female chemist setting up vacuum pump in laboratory, close-up
    Researcher placing petri dish with cell culture under microscope. — Stock Photo
    Researcher placing petri dish with cell culture under microscope.
    Close up of beakers on desk in lab — Stock Photo
    Close up of beakers on desk in lab
    Scientists looking at scanning electron micrographs of different nanofibre structures. — Stock Photo
    Scientists looking at scanning electron micrographs of different nanofibre structures.
    Schematic rendering of human skeletal system — Stock Photo
    Schematic rendering of human skeletal system
    Side view of male scientist experimenting in laboratory — Stock Photo
    Side view of male scientist experimenting in laboratory
    View of Fetus at 6 weeks — Stock Photo
    View of Fetus at 6 weeks
    Teenage girl wearing safety glasses while practicing science experiment in lab — Stock Photo
    Teenage girl wearing safety glasses while practicing science experiment in lab
    Mid section of male worker working in glass factory — Stock Photo
    Mid section of male worker working in glass factory
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    Male sex cell — Stock Photo
    Male sex cell
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Rear view of scientist working with equipment at laboratory — Stock Photo
    Rear view of scientist working with equipment at laboratory
    Human embryonic stem cells, digital illustration. — Stock Photo
    Human embryonic stem cells, digital illustration.
    Endobronchial valves fitted to treat tuberculosis — Stock Photo
    Endobronchial valves fitted to treat tuberculosis
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Teenage girl holding pipette while practicing chemistry experiment at desk in lab — Stock Photo
    Teenage girl holding pipette while practicing chemistry experiment at desk in lab
    Human hand bones anatomy — Stock Photo
    Human hand bones anatomy
    Male scientist using virtual reality headset laboratory — Stock Photo
    Male scientist using virtual reality headset laboratory
    Red blood cells — Stock Photo
    Red blood cells
    Knitting needle piercing through arm — Stock Photo
    Knitting needle piercing through arm
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Magnified digital illustration of neutrophil cell. — Stock Photo
    Magnified digital illustration of neutrophil cell.
    Internal organs and digestive system — Stock Photo
    Internal organs and digestive system
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Human shoulder joint anatomy — Stock Photo
    Human shoulder joint anatomy
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Scientist using pipette while experiment — Stock Photo
    Scientist using pipette while experiment
    Tortricidae moth on green plant leaf. — Stock Photo
    Tortricidae moth on green plant leaf.
    Full frame background of bottles with yellow caps and liquid medicine placed on conveyor in pharmaceutical manufacturing laboratory — Stock Photo
    Full frame background of bottles with yellow caps and liquid medicine placed on conveyor in pharmaceutical manufacturing laboratory
    Mid section of male scientist experimenting in laboratory — Stock Photo
    Mid section of male scientist experimenting in laboratory
    Internal organs and skeletal system — Stock Photo
    Internal organs and skeletal system
    Magnified digital illustration of neutrophil cell. — Stock Photo
    Magnified digital illustration of neutrophil cell.
    Female chemist setting up vacuum pump in laboratory, close-up — Stock Photo
    Female chemist setting up vacuum pump in laboratory, close-up
    Osteochondritis dissecans of the knee — Stock Photo
    Osteochondritis dissecans of the knee
    Woodland skipper butterfly compound eye — Stock Photo
    Woodland skipper butterfly compound eye
    Researcher hand holding vacutainer tube in front of yellow tray. — Stock Photo
    Researcher hand holding vacutainer tube in front of yellow tray.