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    Activated human macrophage — Stock Photo
    Activated human macrophage
    Albumen crystals, coloured scanning electron micrograph (SEM). — Stock Photo
    Albumen crystals, coloured scanning electron micrograph (SEM).
    Girl using digital tablet in airport departure area — Stock Photo
    Girl using digital tablet in airport departure area
    Architect's model of a house. — Stock Photo
    Architect's model of a house.
    Colored scanning electron micrograph of breast cancer cell. — Stock Photo
    Colored scanning electron micrograph of breast cancer cell.
    Woman relaxing at home with smartphone — Stock Photo
    Woman relaxing at home with smartphone
    Nanostructures formed on nickel surface — Stock Photo
    Nanostructures formed on nickel surface
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells. — Stock Photo
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells.
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Young girl exploring Gardens by the Bay with an electronic Binoculars — Stock Photo
    Young girl exploring Gardens by the Bay with an electronic Binoculars
    Coloured scanning electron micrograph (SEM) of uric acid crystals. — Stock Photo
    Coloured scanning electron micrograph (SEM) of uric acid crystals.
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum. — Stock Photo
    Colored scanning electron micrograph of predatory ciliate protozoan Loxophyllum.
    Lychnocanoma radiolarian shell — Stock Photo
    Lychnocanoma radiolarian shell
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen. — Stock Photo
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen.
    Bone cancer cells. Coloured scanning electron micrograph of osteosarcoma cancer cells. Osteosarcoma is an aggressive malignant neoplasm arising from primitive transformed mesenchymal cells — Stock Photo
    Bone cancer cells. Coloured scanning electron micrograph of osteosarcoma cancer cells. Osteosarcoma is an aggressive malignant neoplasm arising from primitive transformed mesenchymal cells
    Smiling woman using digital tablet — Stock Photo
    Smiling woman using digital tablet
    Nanostructures formed on a titanium surface — Stock Photo
    Nanostructures formed on a titanium surface
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Boy using electronic games device. — Stock Photo
    Boy using electronic games device.
    Recovery room in a modern hospital, post-operative recovery, patient bays with curtains — Stock Photo
    Recovery room in a modern hospital, post-operative recovery, patient bays with curtains
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Red blood cells — Stock Photo
    Red blood cells
    Portrait smiling senior woman using digital tablet — Stock Photo
    Portrait smiling senior woman using digital tablet
    Boy using electronic tablet — Stock Photo
    Boy using electronic tablet
    Human hair with dandruff, coloured scanning electron micrograph (SEM). — Stock Photo
    Human hair with dandruff, coloured scanning electron micrograph (SEM).
    Portrait of smiling teenage girls using digital tablet — Stock Photo
    Portrait of smiling teenage girls using digital tablet
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Happy young woman using digital tablet in cafe — Stock Photo
    Happy young woman using digital tablet in cafe
    Woman drinking coffee and using digital tablet at breakfast bar — Stock Photo
    Woman drinking coffee and using digital tablet at breakfast bar
    Businessman using digital tablet in modern office — Stock Photo
    Businessman using digital tablet in modern office
    Caucasian man using digital tablet outdoors — Stock Photo
    Caucasian man using digital tablet outdoors
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change. — Stock Photo
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change.
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Mobile phone speaker, colored scanning electron micrograph. — Stock Photo
    Mobile phone speaker, colored scanning electron micrograph.
    Business people using digital tablet in office — Stock Photo
    Business people using digital tablet in office
    Women sitting on the staircase at Retiro Park, Spain — Stock Photo
    Women sitting on the staircase at Retiro Park, Spain
    Elementary age boy sitting by water and using handheld electronic game. — Stock Photo
    Elementary age boy sitting by water and using handheld electronic game.
    Senior man using digital tablet — Stock Photo
    Senior man using digital tablet
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Casual businesswoman relaxing with headphones and digital tablet on bean bag chair — Stock Photo
    Casual businesswoman relaxing with headphones and digital tablet on bean bag chair
    Vaginal bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the vaginal wall. A healthy vaginal flora protects the body against urogenital infections — Stock Photo
    Vaginal bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the vaginal wall. A healthy vaginal flora protects the body against urogenital infections
    Businesswoman using digital tablet in office — Stock Photo
    Businesswoman using digital tablet in office
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Woman using digital tablet at home — Stock Photo
    Woman using digital tablet at home
    Serious woman drinking coffee using digital tablet in living room — Stock Photo
    Serious woman drinking coffee using digital tablet in living room
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant. — Stock Photo
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant.
    Father and son using digital tablet — Stock Photo
    Father and son using digital tablet
    Freshwater diatom Licmorpha sp. — Stock Photo
    Freshwater diatom Licmorpha sp.
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    Coloured scanning electron micrograph (SEM) of a suture in a dog's skin wound. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a suture in a dog's skin wound.
    Laboratory technician using electronic device in blood bank — Stock Photo
    Laboratory technician using electronic device in blood bank
    Man listening to headphones with mp3 player at sidewalk cafe — Stock Photo
    Man listening to headphones with mp3 player at sidewalk cafe
    Businesswoman using digital tablet in cafeteria — Stock Photo
    Businesswoman using digital tablet in cafeteria
    Coloured scanning electron micrograph (SEM) of Pediculus humanus capitis, human head lice. P. humanus is divided into two subspecies; the head louse P. humanus capitis and the body louse P. humanus corporis — Stock Photo
    Coloured scanning electron micrograph (SEM) of Pediculus humanus capitis, human head lice. P. humanus is divided into two subspecies; the head louse P. humanus capitis and the body louse P. humanus corporis
    Coloured scanning electron micrograph (SEM) of Cotton t-shirt collar with dirt, dead skin, etc. embedded in fibres. — Stock Photo
    Coloured scanning electron micrograph (SEM) of Cotton t-shirt collar with dirt, dead skin, etc. embedded in fibres.