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    Sliced radish in test tube, studio shot. — Stock Photo
    Sliced radish in test tube, studio shot.
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    Plastic clothes pegs — Stock Photo
    Plastic clothes pegs
    Transparent male silhouette with visible ureter, computer illustration. — Stock Photo
    Transparent male silhouette with visible ureter, computer illustration.
    Full dog musculature with internal organs, digital illustration. — Stock Photo
    Full dog musculature with internal organs, digital illustration.
    Human thyroid gland — Stock Photo
    Human thyroid gland
    Low angle view of anatomical model showing female anatomy and internal organs, computer illustration. — Stock Photo
    Low angle view of anatomical model showing female anatomy and internal organs, computer illustration.
    Yogurt pouring on blueberries — Stock Photo
    Yogurt pouring on blueberries
    Enormous thunderstorm updraft erupting above the high plains of the Texas Panhandle; Texas, United States of America — Stock Photo
    Enormous thunderstorm updraft erupting above the high plains of the Texas Panhandle; Texas, United States of America
    Bone marrow cell — Stock Photo
    Bone marrow cell
    Normal X chromosome — Stock Photo
    Normal X chromosome
    Dental clinic equipment with mirror against white background. — Stock Photo
    Dental clinic equipment with mirror against white background.
    Causes of bacterial meningitis, computer illustration. Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae and Listeria monocytogenes bacteria, the main causative agents of bacterial meningitis. — Stock Photo
    Causes of bacterial meningitis, computer illustration. Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae and Listeria monocytogenes bacteria, the main causative agents of bacterial meningitis.
    Female upper body anatomy and muscular system, computer illustration. — Stock Photo
    Female upper body anatomy and muscular system, computer illustration.
    Abandoned building in Mojave desert — Stock Photo
    Abandoned building in Mojave desert
    Test tubes with urine samples for analysis on white background, studio shot. — Stock Photo
    Test tubes with urine samples for analysis on white background, studio shot.
    Glass of water with condensation on white background. — Stock Photo
    Glass of water with condensation on white background.
    Veins in transparent dog body, anatomical computer illustration. — Stock Photo
    Veins in transparent dog body, anatomical computer illustration.
    Side view of tender female in nightgown sitting on wooden stool at home — Stock Photo
    Side view of tender female in nightgown sitting on wooden stool at home
    Neck pain localisation — Stock Photo
    Neck pain localisation
    Bay with mountains and plain in bright sunlight, Iceland, Borgarfjordur — Stock Photo
    Bay with mountains and plain in bright sunlight, Iceland, Borgarfjordur
    Spring flowers representing healthy human lungs, conceptual studio shot. — Stock Photo
    Spring flowers representing healthy human lungs, conceptual studio shot.
    Coloured computed tomography (CT) scan of a section through the chest of a 76-year-old male patient with a malignant (cancerous) tumour (bright, right) of the bronchus. — Stock Photo
    Coloured computed tomography (CT) scan of a section through the chest of a 76-year-old male patient with a malignant (cancerous) tumour (bright, right) of the bronchus.
    Serene male in headphones sitting on bed under blanket and browsing social media on tablet while listening to music in morning — Stock Photo
    Serene male in headphones sitting on bed under blanket and browsing social media on tablet while listening to music in morning
    Illustration of silhouette of obese man with visible colon. — Stock Photo
    Illustration of silhouette of obese man with visible colon.
    Conceptual computer Illustration of human heart anatomy. — Stock Photo
    Conceptual computer Illustration of human heart anatomy.
    Woman in standing by fence — Stock Photo
    Woman in standing by fence
    Illustration of silhouette of obese man with visible bladder. — Stock Photo
    Illustration of silhouette of obese man with visible bladder.
    Human brain with close-up view of neurons, computer illustration. — Stock Photo
    Human brain with close-up view of neurons, computer illustration.
    Detail of bird feather in violet illumination — Stock Photo
    Detail of bird feather in violet illumination
    Bavarian Castle On Mountain Side — Stock Photo
    Bavarian Castle On Mountain Side
    Female thorax anatomy and mammary glands, digital illustration. — Stock Photo
    Female thorax anatomy and mammary glands, digital illustration.
    White Wonderland with trees — Stock Photo
    White Wonderland with trees
    King penguins loafing on beach at Salisbury Plain, South Georgia Island, Southern Atlantic Ocean — Stock Photo
    King penguins loafing on beach at Salisbury Plain, South Georgia Island, Southern Atlantic Ocean
    Snowy plain area in mountainous landscape, China — Stock Photo
    Snowy plain area in mountainous landscape, China
    Male body with visible colored Teres major muscle, computer illustration. — Stock Photo
    Male body with visible colored Teres major muscle, computer illustration.
    Africa on the globe, computer illustration. — Stock Photo
    Africa on the globe, computer illustration.
    Illustration of silhouette of obese man with visible spleen. — Stock Photo
    Illustration of silhouette of obese man with visible spleen.
    Christmas decorations on a white background, green leaves and red berries — Stock Photo
    Christmas decorations on a white background, green leaves and red berries
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration. — Stock Photo
    Human pathogenic viruses causing respiratory and enteric infections, digital illustration.
    Human skeletal system and internal organs — Stock Photo
    Human skeletal system and internal organs
    Human hip pain — Stock Photo
    Human hip pain
    Normal rib cage — Stock Photo
    Normal rib cage
    Realistic skeleton model showing female anatomy on white background, computer illustration. — Stock Photo
    Realistic skeleton model showing female anatomy on white background, computer illustration.
    Bending female silhouette with knee pain, digital illustration. — Stock Photo
    Bending female silhouette with knee pain, digital illustration.
    Courting king penguins at Salisbury Plain, South Georgia Island, Southern Atlantic Ocean — Stock Photo
    Courting king penguins at Salisbury Plain, South Georgia Island, Southern Atlantic Ocean
    Human embryonic stem cell on pin tip, conceptual digital artwork. — Stock Photo
    Human embryonic stem cell on pin tip, conceptual digital artwork.
    Digital illustration of human large intestine on black background. — Stock Photo
    Digital illustration of human large intestine on black background.
    Low angle of palm trees against blue sky — Stock Photo
    Low angle of palm trees against blue sky
    Yellow colored bronchi in body of woman, computer illustration. — Stock Photo
    Yellow colored bronchi in body of woman, computer illustration.
    Acupuncture model with acupoints against black background. — Stock Photo
    Acupuncture model with acupoints against black background.
    Colorful fruits and vegetables in test tubes, studio shot. — Stock Photo
    Colorful fruits and vegetables in test tubes, studio shot.
    Lysosome fusing with autophagosome — Stock Photo
    Lysosome fusing with autophagosome
    Arm muscular system — Stock Photo
    Arm muscular system
    Human hip pain — Stock Photo
    Human hip pain
    Girl with knitted hat with a pom pom. — Stock Photo
    Girl with knitted hat with a pom pom.
    Vegetation green plants on sandy plain on Canary islands — Stock Photo
    Vegetation green plants on sandy plain on Canary islands
    Digital illustration of rod-shaped bacteria inside alveoli of lung causing Bacterial pneumonia. — Stock Photo
    Digital illustration of rod-shaped bacteria inside alveoli of lung causing Bacterial pneumonia.
    Digital illustration showing structure of Coxsackie virus causing heart infection, pancreas infection and liver infection. — Stock Photo
    Digital illustration showing structure of Coxsackie virus causing heart infection, pancreas infection and liver infection.
    Antarctic fur seals resting in Salisbury Plain, South Georgia Island, Antarctica — Stock Photo
    Antarctic fur seals resting in Salisbury Plain, South Georgia Island, Antarctica