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    Illustration of group of cells in blood clot. — Stock Photo
    Illustration of group of cells in blood clot.
    Conceptual illustration of food infection with piece of cake and close-up of Shigella bacteria. — Stock Photo
    Conceptual illustration of food infection with piece of cake and close-up of Shigella bacteria.
    Common house dust mite — Stock Photo
    Common house dust mite
    Human esophagus and stomach — Stock Photo
    Human esophagus and stomach
    Male scientist using digital tablet in laboratory — Stock Photo
    Male scientist using digital tablet in laboratory
    Bacteria found in a sample of human faeces — Stock Photo
    Bacteria found in a sample of human faeces
    Yellow belted burnet moth on wild plant. — Stock Photo
    Yellow belted burnet moth on wild plant.
    From above of microscope near computer with open program on screen in vet laboratory — Stock Photo
    From above of microscope near computer with open program on screen in vet laboratory
    Crop unrecognizable male doctor demonstrating modern plastic mannequin head for dentistry lessons against gray wall — Stock Photo
    Crop unrecognizable male doctor demonstrating modern plastic mannequin head for dentistry lessons against gray wall
    Magnified digital illustration of human cell cross-section. — Stock Photo
    Magnified digital illustration of human cell cross-section.
    Female researcher pipetting liquid into test tube. — Stock Photo
    Female researcher pipetting liquid into test tube.
    Adult Fly on a leaf — Stock Photo
    Adult Fly on a leaf
    Glass containers on table at laboratory — Stock Photo
    Glass containers on table at laboratory
    Healthy colon and skeletal system — Stock Photo
    Healthy colon and skeletal system
    Cell with pseudopodia — Stock Photo
    Cell with pseudopodia
    Madagascar hissing cockroach — Stock Photo
    Madagascar hissing cockroach
    Tmarus crab spider at edge of green leaf. — Stock Photo
    Tmarus crab spider at edge of green leaf.
    Illustration of malaria infected blood cells. — Stock Photo
    Illustration of malaria infected blood cells.
    Focus of inflammation localized in hip joint — Stock Photo
    Focus of inflammation localized in hip joint
    Pipetting samples machinery for gel electrophoresis. — Stock Photo
    Pipetting samples machinery for gel electrophoresis.
    Dragonflies on a plant stem — Stock Photo
    Dragonflies on a plant stem
    Side view of male worker using welding torch in glass factory — Stock Photo
    Side view of male worker using welding torch in glass factory
    Mid section of worker working in glass factory — Stock Photo
    Mid section of worker working in glass factory
    Scientist holding DNA autoradiogram in hand. — Stock Photo
    Scientist holding DNA autoradiogram in hand.
    Close-up of worker working in glass factory — Stock Photo
    Close-up of worker working in glass factory
    Brain anatomy showing blood supply system — Stock Photo
    Brain anatomy showing blood supply system
    Human Jawbone anatomy — Stock Photo
    Human Jawbone anatomy
    Lab technician opening sterilization tank — Stock Photo
    Lab technician opening sterilization tank
    Cell culture plate on white background. — Stock Photo
    Cell culture plate on white background.
    Close-up of crescent moon aged 6 days on black background — Stock Photo
    Close-up of crescent moon aged 6 days on black background
    Round red cells on plain background, digital illustration. — Stock Photo
    Round red cells on plain background, digital illustration.
    Smiling boy student assembling DNA model in classroom — Stock Photo
    Smiling boy student assembling DNA model in classroom
    Entangled red blood vessels, digital illustration. — Stock Photo
    Entangled red blood vessels, digital illustration.
    Internal organs and digestive system — Stock Photo
    Internal organs and digestive system
    X-ray of dislocated shoulder — Stock Photo
    X-ray of dislocated shoulder
    Empty white anatomical heart model 3D illustration isolated on white background. — Stock Photo
    Empty white anatomical heart model 3D illustration isolated on white background.
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Plastic bottles with medicine on conveyor of capping machine in pharmaceutical manufacturing laboratory — Stock Photo
    Plastic bottles with medicine on conveyor of capping machine in pharmaceutical manufacturing laboratory
    Illustration of malaria infected blood cells. — Stock Photo
    Illustration of malaria infected blood cells.
    Nerve cells network — Stock Photo
    Nerve cells network
    View of Fetus at 39 weeks — Stock Photo
    View of Fetus at 39 weeks
    Visual render of Venus — Stock Photo
    Visual render of Venus
    Close up pipettes and specimen holder in science laboratory — Stock Photo
    Close up pipettes and specimen holder in science laboratory
    Giardia lamblia protozoan parasite, digital illustration — Stock Photo
    Giardia lamblia protozoan parasite, digital illustration
    Adult parasitic louse — Stock Photo
    Adult parasitic louse
    Pills in blisters on metal conveyor in pharmaceutical laboratory — Stock Photo
    Pills in blisters on metal conveyor in pharmaceutical laboratory
    Erythrocytes or red blood cells — Stock Photo
    Erythrocytes or red blood cells
    Adult female mosquito — Stock Photo
    Adult female mosquito
    Focus of inflammation localized in shoulder joint — Stock Photo
    Focus of inflammation localized in shoulder joint
    Activated platelets in blood vessel — Stock Photo
    Activated platelets in blood vessel
    Organs comprising male reproductive system — Stock Photo
    Organs comprising male reproductive system
    Conceptual illustration of viral encephalitis is an inflammation of the brain caused by a virus. — Stock Photo
    Conceptual illustration of viral encephalitis is an inflammation of the brain caused by a virus.
    Genome sequencing machine — Stock Photo
    Genome sequencing machine
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    3d illustration of x-ray of broken ulna and radius bone. — Stock Photo
    3d illustration of x-ray of broken ulna and radius bone.
    Close-up of syringe and equipment in laboratory — Stock Photo
    Close-up of syringe and equipment in laboratory
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Teenage female wearing safety glasses while practicing science experiment in lab — Stock Photo
    Teenage female wearing safety glasses while practicing science experiment in lab
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Male teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students conducting scientific experiment in laboratory classroom