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    Localization of pain in shoulder joint — Stock Photo
    Localization of pain in shoulder joint
    Close-up of blood sample in glass phial. — Stock Photo
    Close-up of blood sample in glass phial.
    Top view of microbes growing on agar plate on plain background. — Stock Photo
    Top view of microbes growing on agar plate on plain background.
    Close-up of lab machine in laboratory — Stock Photo
    Close-up of lab machine in laboratory
    Damselfly with blue eyes — Stock Photo
    Damselfly with blue eyes
    Portrait of scientist putting on protective mask — Stock Photo
    Portrait of scientist putting on protective mask
    Close-up of bar-coded agar plates for biological research. — Stock Photo
    Close-up of bar-coded agar plates for biological research.
    Severe osteoarthritis of ankle — Stock Photo
    Severe osteoarthritis of ankle
    Overhead view of pipettes in Pipetting plate in laboratory — Stock Photo
    Overhead view of pipettes in Pipetting plate in laboratory
    Mid section of scientist doing experiment in lab — Stock Photo
    Mid section of scientist doing experiment in lab
    Male biologist working with microscope with colleague in background — Stock Photo
    Male biologist working with microscope with colleague in background
    Cholesterol plaque leading to atherosclerosis — Stock Photo
    Cholesterol plaque leading to atherosclerosis
    Athlete riding an exercise bike — Stock Photo
    Athlete riding an exercise bike
    3d illustration of cross-section showing structure of Earth, from core to crust. — Stock Photo
    3d illustration of cross-section showing structure of Earth, from core to crust.
    Magnified digital illustration of basophil cell. — Stock Photo
    Magnified digital illustration of basophil cell.
    Close-up of flask, lab weighing scale and equipment in laboratory — Stock Photo
    Close-up of flask, lab weighing scale and equipment in laboratory
    Human rib costal cartilage — Stock Photo
    Human rib costal cartilage
    Artery partially blocked by an atheroma — Stock Photo
    Artery partially blocked by an atheroma
    Skeletal system and anatomy of adult human — Stock Photo
    Skeletal system and anatomy of adult human
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria. — Stock Photo
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria.
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter. — Stock Photo
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter.
    Digital 3d colored illustration of cancer cell in process of mitosis. — Stock Photo
    Digital 3d colored illustration of cancer cell in process of mitosis.
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Contemporary pharmaceutical machine with piles of pink pills on conveyor placed in manufacturing laboratory — Stock Photo
    Contemporary pharmaceutical machine with piles of pink pills on conveyor placed in manufacturing laboratory
    Illustration of illuminated red human cancer cell. — Stock Photo
    Illustration of illuminated red human cancer cell.
    Detail of chemical glass apparatus, full frame. — Stock Photo
    Detail of chemical glass apparatus, full frame.
    Illustration of yellow abscesses on kidney and close-up of Enterococcus bacteria. — Stock Photo
    Illustration of yellow abscesses on kidney and close-up of Enterococcus bacteria.
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female — Stock Photo
    Sperm in a fallopian tube. Coloured composition scanning electron micrograph (SEM) of human sperm travelling through a fallopian tube (oviduct) of a female
    Male worker using welding torch in glass factory — Stock Photo
    Male worker using welding torch in glass factory
    Red blood cells — Stock Photo
    Red blood cells
    Focused college student using digital tablet in science laboratory classroom — Stock Photo
    Focused college student using digital tablet in science laboratory classroom
    View of Full-term fetus — Stock Photo
    View of Full-term fetus
    Healthy intestinal villi — Stock Photo
    Healthy intestinal villi
    Vacutainer blood collection tubes, full frame. — Stock Photo
    Vacutainer blood collection tubes, full frame.
    Female mosquito on skin — Stock Photo
    Female mosquito on skin
    View of fetus at 27 weeks — Stock Photo
    View of fetus at 27 weeks
    3d illustration of antibodies attacking virus particles. — Stock Photo
    3d illustration of antibodies attacking virus particles.
    Coiled proboscis of a moth — Stock Photo
    Coiled proboscis of a moth
    Human skeleton with emphasis on thoracic region — Stock Photo
    Human skeleton with emphasis on thoracic region
    Muscular and skeletal systems — Stock Photo
    Muscular and skeletal systems
    Crop concentrated female scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern laboratory — Stock Photo
    Crop concentrated female scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern laboratory
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Human large intestine — Stock Photo
    Human large intestine
    Abstract fungus, scientific digital illustration. — Stock Photo
    Abstract fungus, scientific digital illustration.
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    View of Fetus at 6 weeks — Stock Photo
    View of Fetus at 6 weeks
    Atherosclerosis and narrowed artery — Stock Photo
    Atherosclerosis and narrowed artery
    Chlamydia trachomatis bacteria cells, digital illustration. — Stock Photo
    Chlamydia trachomatis bacteria cells, digital illustration.
    Scientist pouring liquid in steaming flask — Stock Photo
    Scientist pouring liquid in steaming flask
    Bacterial blood infection, digital illustration. — Stock Photo
    Bacterial blood infection, digital illustration.
    Detail of chemical glass apparatus, full frame. — Stock Photo
    Detail of chemical glass apparatus, full frame.
    Common house dust mite — Stock Photo
    Common house dust mite
    Person hand pipetting liquid into petri dish. — Stock Photo
    Person hand pipetting liquid into petri dish.
    Digital illustration of multiple threadworms in human intestine. — Stock Photo
    Digital illustration of multiple threadworms in human intestine.
    Laboratory female technician with scientific micropipette. — Stock Photo
    Laboratory female technician with scientific micropipette.
    Female scientist in face mask examining specimen in laboratory — Stock Photo
    Female scientist in face mask examining specimen in laboratory
    Laboratory scientist adding a small amount of solid reagent to a container on a scale — Stock Photo
    Laboratory scientist adding a small amount of solid reagent to a container on a scale
    Illustration of Jupiter with associated magnetic field. — Stock Photo
    Illustration of Jupiter with associated magnetic field.
    Piece of cake and microscopic image of Salmonella bacteria, conceptual illustration. — Stock Photo
    Piece of cake and microscopic image of Salmonella bacteria, conceptual illustration.