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    Illustration of male office worker with painful back. — Stock Photo
    Illustration of male office worker with painful back.
    Cancerous white blood cell in leukaemia — Stock Photo
    Cancerous white blood cell in leukaemia
    Digital illustration of rod-shaped bacteria colony. — Stock Photo
    Digital illustration of rod-shaped bacteria colony.
    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.
    Illustration of blue silhouette of obese woman with highlighted bladder on black background. — Stock Photo
    Illustration of blue silhouette of obese woman with highlighted bladder on black background.
    Scanning electron micrograph of head of pork tapeworm intestinal parasite. — Stock Photo
    Scanning electron micrograph of head of pork tapeworm intestinal parasite.
    Nanomachines working on red blood cells, digital illustration. — Stock Photo
    Nanomachines working on red blood cells, digital illustration.
    Allergenic pet dander on dog hair, colored scanning electron micrograph. — Stock Photo
    Allergenic pet dander on dog hair, colored scanning electron micrograph.
    Varicella zoster (chickenpox) virus, illustration. The virus consists of a lipid membrane envelope with glycoproteins, a protective capsid holding the nucleic acid — Stock Photo
    Varicella zoster (chickenpox) virus, illustration. The virus consists of a lipid membrane envelope with glycoproteins, a protective capsid holding the nucleic acid
    Pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual digital illustration. — Stock Photo
    Pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual digital illustration.
    Desert Aloe flowering in the Kalahari Desert — Stock Photo
    Desert Aloe flowering in the Kalahari Desert
    Multicolored DNA molecule, digital illustration. — Stock Photo
    Multicolored DNA molecule, digital illustration.
    Transparent male silhouette with colored costal cartilage, computer illustration. — Stock Photo
    Transparent male silhouette with colored costal cartilage, computer illustration.
    DNA damage, conceptual illustration. — Stock Photo
    DNA damage, conceptual illustration.
    Human psoas major musculature — Stock Photo
    Human psoas major musculature
    Anthophora bimaculata grasped with the jaws to a fine grass — Stock Photo
    Anthophora bimaculata grasped with the jaws to a fine grass
    Cyst of Giardia intestinalis protozoan flagellated parasite in small intestine, digital illustration. — Stock Photo
    Cyst of Giardia intestinalis protozoan flagellated parasite in small intestine, digital illustration.
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae. — Stock Photo
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae.
    Transparent human silhouette with colored larynx, computer illustration. — Stock Photo
    Transparent human silhouette with colored larynx, computer illustration.
    Illustration of human silhouette with inflamed thyroid. — Stock Photo
    Illustration of human silhouette with inflamed thyroid.
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Illustration of human hips bones on white background. — Stock Photo
    Illustration of human hips bones on white background.
    Human neck musculature — Stock Photo
    Human neck musculature
    Cell membrane, illustration, colorful image — Stock Photo
    Cell membrane, illustration, colorful image
    Human brain with highlighted pons and neurons, illustration. Human brain with highlighted pons Varolii and close-up view of pyramidal neurons (nerve cells) located in pons — Stock Photo
    Human brain with highlighted pons and neurons, illustration. Human brain with highlighted pons Varolii and close-up view of pyramidal neurons (nerve cells) located in pons
    Illustration of human male skeleton on white background. — Stock Photo
    Illustration of human male skeleton on white background.
    Alveoli structure and blood supply — Stock Photo
    Alveoli structure and blood supply
    Illustration of pancreas tumour in transparent male silhouette. — Stock Photo
    Illustration of pancreas tumour in transparent male silhouette.
    Cancer cell anatomy — Stock Photo
    Cancer cell anatomy
    Close-up of microcentrifuge tubes with various samples. — Stock Photo
    Close-up of microcentrifuge tubes with various samples.
    Coronavirus particles, computer illustration. Different strains of coronavirus are responsible for diseases such as the common cold, gastroenteritis and SARS (severe acute respiratory syndrome) — Stock Photo
    Coronavirus particles, computer illustration. Different strains of coronavirus are responsible for diseases such as the common cold, gastroenteritis and SARS (severe acute respiratory syndrome)
    Blood clot, computer illustration — Stock Photo
    Blood clot, computer illustration
    Illustration of larynx in silhouette of female body. — Stock Photo
    Illustration of larynx in silhouette of female body.
    Researcher taking blood sample — Stock Photo
    Researcher taking blood sample
    Mosquito feeding on human blood, digital illustration. — Stock Photo
    Mosquito feeding on human blood, digital illustration.
    Meningitis bacteria (Neisseria meningitidis), computer illustration — Stock Photo
    Meningitis bacteria (Neisseria meningitidis), computer illustration
    Healthy lungs and respiratory system — Stock Photo
    Healthy lungs and respiratory system
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration. — Stock Photo
    Structure of dog vascular system with colorful blood vessels in transparent body, computer illustration.
    Close-up of couple of long horned bees sleeping on thin branch. — Stock Photo
    Close-up of couple of long horned bees sleeping on thin branch.
    Lab technicians in protective suits and masks looking in camera in sterile laboratory. — Stock Photo
    Lab technicians in protective suits and masks looking in camera in sterile laboratory.
    Human skeleton with red colored Vastus lateralis muscle, computer illustration. — Stock Photo
    Human skeleton with red colored Vastus lateralis muscle, computer illustration.
    Digital illustration of senior man anatomy showing lungs. — Stock Photo
    Digital illustration of senior man anatomy showing lungs.
    Human fetus developing at week 11, computer illustration. — Stock Photo
    Human fetus developing at week 11, computer illustration.
    Close-up view of kiwi slices on white background. — Stock Photo
    Close-up view of kiwi slices on white background.
    Veiled chameleon on tree branch — Stock Photo
    Veiled chameleon on tree branch
    Illustration of larynx in male body silhouette on white background. — Stock Photo
    Illustration of larynx in male body silhouette on white background.
    Anatomical male body with colored thyroid gland, computer illustration. — Stock Photo
    Anatomical male body with colored thyroid gland, computer illustration.
    3d digital illustration of two abstract men boxing with glowing punch point on black background. — Stock Photo
    3d digital illustration of two abstract men boxing with glowing punch point on black background.
    Male anatomy and muscular system, computer illustration. — Stock Photo
    Male anatomy and muscular system, computer illustration.
    Honeysuckle, X-ray, radiology scan — Stock Photo
    Honeysuckle, X-ray, radiology scan
    Illustration of red human embryo on black background at pregnancy stage of week 20. — Stock Photo
    Illustration of red human embryo on black background at pregnancy stage of week 20.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Anatomy of liver in male body silhouette, digital illustration. — Stock Photo
    Anatomy of liver in male body silhouette, digital illustration.
    Female anatomy showing spinal cord, computer illustration — Stock Photo
    Female anatomy showing spinal cord, computer illustration
    View of Male skeleton — Stock Photo
    View of Male skeleton
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Latissimus dorsi muscle, computer illustration — Stock Photo
    Latissimus dorsi muscle, computer illustration
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple. — Stock Photo
    Colored scanning electron micrograph of variety of yeast species growing in larval tunnel of codling moth Cydia pomonella in mature apple.