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    Close-up of pipetting liquid into Eppendorf tubes. — Stock Photo
    Close-up of pipetting liquid into Eppendorf tubes.
    Enteroviruses, computer illustration. Enterovirus is genus of positive-sense RNA viruses of family Picornaviridae — Stock Photo
    Enteroviruses, computer illustration. Enterovirus is genus of positive-sense RNA viruses of family Picornaviridae
    Microbes growing in Petri dish, top view. — Stock Photo
    Microbes growing in Petri dish, top view.
    Visual render of Human rhinovirus 14 — Stock Photo
    Visual render of Human rhinovirus 14
    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    Series of MRI brain scans — Stock Photo
    Series of MRI brain scans
    Hand of technician holding hepatitis sample for testing in laboratory. — Stock Photo
    Hand of technician holding hepatitis sample for testing in laboratory.
    Close-up of drop of red liquid pipetted into multi-well sample tray. — Stock Photo
    Close-up of drop of red liquid pipetted into multi-well sample tray.
    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.
    Digital illustration of rod-shaped bacteria colony. — Stock Photo
    Digital illustration of rod-shaped bacteria colony.
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Close-up of DNA autoradiogram on white background. — Stock Photo
    Close-up of DNA autoradiogram on white background.
    3d illustration of signals transmitting nerve cells. — Stock Photo
    3d illustration of signals transmitting nerve cells.
    Female laboratory assistant using equipment. — Stock Photo
    Female laboratory assistant using equipment.
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration. — Stock Photo
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration.
    Close-up of pipetting sample into plastic micro-centrifuge tube. — Stock Photo
    Close-up of pipetting sample into plastic micro-centrifuge tube.
    Digital 3d colored illustration of cancer cell in process of mitosis. — Stock Photo
    Digital 3d colored illustration of cancer cell in process of mitosis.
    Technician pipetting samples into cartridges for solid phase extraction. — Stock Photo
    Technician pipetting samples into cartridges for solid phase extraction.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Close-up of liquid in multiwell sample tray. — Stock Photo
    Close-up of liquid in multiwell sample tray.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Top view of dead mouse in Petri dish. — Stock Photo
    Top view of dead mouse in Petri dish.
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration. — Stock Photo
    Composite image of bacterial and fungal cultures in Petri dish in scientist hand in front of microbial illustration.
    PCR tubes with orange, green and purple samples, full frame. — Stock Photo
    PCR tubes with orange, green and purple samples, full frame.
    Swine vesicular disease virus particle — Stock Photo
    Swine vesicular disease virus particle
    Molecular model of metalloproteinase snake venom from diamondback rattlesnake. — Stock Photo
    Molecular model of metalloproteinase snake venom from diamondback rattlesnake.
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Liquid samples in quartz cuvettes containers. — Stock Photo
    Liquid samples in quartz cuvettes containers.
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    Male scientist in protective mask using microscope. — Stock Photo
    Male scientist in protective mask using microscope.
    Helical DNA molecules on pink background, digital illustration. — Stock Photo
    Helical DNA molecules on pink background, digital illustration.
    Spherical bacteria and rod-shaped bacteria — Stock Photo
    Spherical bacteria and rod-shaped bacteria
    Human brain, conceptual illustration. — Stock Photo
    Human brain, conceptual illustration.
    Microbiological cultures growing in Petri dishes. — Stock Photo
    Microbiological cultures growing in Petri dishes.
    Digital illustration of rod-shaped bacteria colony. — Stock Photo
    Digital illustration of rod-shaped bacteria colony.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Visual render of Swine flu — Stock Photo
    Visual render of Swine flu
    Biology laboratory scientist hands working with cell culture in flask. — Stock Photo
    Biology laboratory scientist hands working with cell culture in flask.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    DNA molecule with multicolored elements, digital illustration. — Stock Photo
    DNA molecule with multicolored elements, digital illustration.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Close-up of microcentrifuge tubes with blood samples. — Stock Photo
    Close-up of microcentrifuge tubes with blood samples.
    Human embryonic stem cell on pin tip, conceptual digital artwork. — Stock Photo
    Human embryonic stem cell on pin tip, conceptual digital artwork.
    Male laboratory assistant using equipment. — Stock Photo
    Male laboratory assistant using equipment.
    Close-up of person holding petri dish for biological research. — Stock Photo
    Close-up of person holding petri dish for biological research.
    Scientists working in laboratory with microscope. — Stock Photo
    Scientists working in laboratory with microscope.
    Close-up view of laboratory pipette. — Stock Photo
    Close-up view of laboratory pipette.
    Pipette over medical samples in box. — Stock Photo
    Pipette over medical samples in box.
    Female scientist holding petri dish with biological cultures. — Stock Photo
    Female scientist holding petri dish with biological cultures.
    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
    Gloved hand of scientist holding empty Petri dish. — Stock Photo
    Gloved hand of scientist holding empty Petri dish.
    Agronomy technician pouring water in soil samples. — Stock Photo
    Agronomy technician pouring water in soil samples.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    DNA strand with damage, conceptual digital illustration. — Stock Photo
    DNA strand with damage, conceptual digital illustration.
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    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.
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Male laboratory assistant wearing glasses. — Stock Photo
    Male laboratory assistant wearing glasses.