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    Artwork of healthy substantia nigra and close-up of dopaminergic neurons of human brain. — Stock Photo
    Artwork of healthy substantia nigra and close-up of dopaminergic neurons of human brain.
    Stomach surface epithelium, light micrograph (LM). The surface epithelium of the stomach is a simple columnar epithelium formed by tall mucous cells that invaginate to form the gastric pits — Stock Photo
    Stomach surface epithelium, light micrograph (LM). The surface epithelium of the stomach is a simple columnar epithelium formed by tall mucous cells that invaginate to form the gastric pits
    Group of anonymous doctors in protective uniform and mask standing around patient with viral infection in elevator in hospital — Stock Photo
    Group of anonymous doctors in protective uniform and mask standing around patient with viral infection in elevator in hospital
    Illustration of senior woman silhouette with colored small intestine on black background. — Stock Photo
    Illustration of senior woman silhouette with colored small intestine on black background.
    Radiologist checking notes in radiology room. — Stock Photo
    Radiologist checking notes in radiology room.
    Human cytomegalovirus (HCMV), computer illustration. HCMV is member of herpesvirus family — Stock Photo
    Human cytomegalovirus (HCMV), computer illustration. HCMV is member of herpesvirus family
    Close up of skull and cranium bones — Stock Photo
    Close up of skull and cranium bones
    Digital illustration of senior man anatomy showing muscles. — Stock Photo
    Digital illustration of senior man anatomy showing muscles.
    Hand holding a petri dish with yellow agar. — Stock Photo
    Hand holding a petri dish with yellow agar.
    Male abdominal organs, midsection, digital illustration. — Stock Photo
    Male abdominal organs, midsection, digital illustration.
    Optometrist specialist hand picking up lenses from case with several equipment — Stock Photo
    Optometrist specialist hand picking up lenses from case with several equipment
    Chinese girl mother holding doctor hands in hospital — Stock Photo
    Chinese girl mother holding doctor hands in hospital
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Illustration of female silhouette with highlighted lungs. — Stock Photo
    Illustration of female silhouette with highlighted lungs.
    3d rendered illustration of human knee on white background. — Stock Photo
    3d rendered illustration of human knee on white background.
    Female abstract body with glowing breast cancer, conceptual computer illustration. — Stock Photo
    Female abstract body with glowing breast cancer, conceptual computer illustration.
    Young girl with fever on her head — Stock Photo
    Young girl with fever on her head
    Digital artwork of green cancer cell on tissue surface. — Stock Photo
    Digital artwork of green cancer cell on tissue surface.
    3D rendering of human spine, computer illustration. — Stock Photo
    3D rendering of human spine, computer illustration.
    Group of surgeons performing operation in operation theater of hospital — Stock Photo
    Group of surgeons performing operation in operation theater of hospital
    Dog anatomy with visible organs on white background, digital illustration. — Stock Photo
    Dog anatomy with visible organs on white background, digital illustration.
    Surgeon in mask making Achilles tendon operation — Stock Photo
    Surgeon in mask making Achilles tendon operation
    Digital health. Testing blood pressure. — Stock Photo
    Digital health. Testing blood pressure.
    Cropped unrecognizable nurse in latex gloves and uniform preparing to vaccinate African American female patient inside the car on a drive through mobile clinic during coronavirus outbreak — Stock Photo
    Cropped unrecognizable nurse in latex gloves and uniform preparing to vaccinate African American female patient inside the car on a drive through mobile clinic during coronavirus outbreak
    Surgeon standing and processing operation — Stock Photo
    Surgeon standing and processing operation
    Overweight man with hands on back, cropped. — Stock Photo
    Overweight man with hands on back, cropped.
    Surgical tools on surgical tray with surgeon in background in operation theater of hospital — Stock Photo
    Surgical tools on surgical tray with surgeon in background in operation theater of hospital
    Abstract male body with detailed Intermedius muscle, computer illustration. — Stock Photo
    Abstract male body with detailed Intermedius muscle, computer illustration.
    Cropped unrecognizable professional male chiropractor examining back of patient in mask during appointment in hospital — Stock Photo
    Cropped unrecognizable professional male chiropractor examining back of patient in mask during appointment in hospital
    Side view of little boy with asthma using inhaler while sitting on sofa at home — Stock Photo
    Side view of little boy with asthma using inhaler while sitting on sofa at home
    Human papilloma virus (HPV), computer illustration — Stock Photo
    Human papilloma virus (HPV), computer illustration
    Illustration of female silhouette with highlighted adrenal glands. — Stock Photo
    Illustration of female silhouette with highlighted adrenal glands.
    Dog silhouette with visible skeleton on blue background, digital illustration. — Stock Photo
    Dog silhouette with visible skeleton on blue background, digital illustration.
    Illustration of painful atlas in human skeleton on blue background. — Stock Photo
    Illustration of painful atlas in human skeleton on blue background.
    Office cubicles with ill and working people — Stock Photo
    Office cubicles with ill and working people
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Interior view of empty hospital corridor — Stock Photo
    Interior view of empty hospital corridor
    3d rendered illustration of colored female heart in body silhouette. — Stock Photo
    3d rendered illustration of colored female heart in body silhouette.
    White pills in bottle and glass of water with various capsules in background. — Stock Photo
    White pills in bottle and glass of water with various capsules in background.
    Realistic human fetus at week 36, computer illustration. — Stock Photo
    Realistic human fetus at week 36, computer illustration.
    Human skeleton with red colored Vastus lateralis muscle, computer illustration. — Stock Photo
    Human skeleton with red colored Vastus lateralis muscle, computer illustration.
    Senior woman in glasses reading prescription — Stock Photo
    Senior woman in glasses reading prescription
    Woman holding tablets — Stock Photo
    Woman holding tablets
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Patient hand with pulse oximeter, close-up. — Stock Photo
    Patient hand with pulse oximeter, close-up.
    Illustration of human foetus on week 18 term. — Stock Photo
    Illustration of human foetus on week 18 term.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Human brain with highlighted superior temporal gyrus, illustration. It is involved in processing auditory information and encoding of memory. — Stock Photo
    Human brain with highlighted superior temporal gyrus, illustration. It is involved in processing auditory information and encoding of memory.
    Mid section of young asian male doctor showing ear model to caucasian boy patient in clinic — Stock Photo
    Mid section of young asian male doctor showing ear model to caucasian boy patient in clinic
    Hands of doctor examining young female forehead. — Stock Photo
    Hands of doctor examining young female forehead.
    Variety of potential drugs in petri dish on DNA autoradiogram. — Stock Photo
    Variety of potential drugs in petri dish on DNA autoradiogram.
    Female anatomical silhouette with breast disease, conceptual computer illustration. — Stock Photo
    Female anatomical silhouette with breast disease, conceptual computer illustration.
    Little boy undergoing logic test with numbers for developmental psychology test in female psychologist office. — Stock Photo
    Little boy undergoing logic test with numbers for developmental psychology test in female psychologist office.
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus. — Stock Photo
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus.
    Abstract female body with visible back bones, computer illustration. — Stock Photo
    Abstract female body with visible back bones, computer illustration.
    Depressed nurse leaning against wall in hospital — Stock Photo
    Depressed nurse leaning against wall in hospital
    Dermatologist examining skin of patient with dermatoscope in clinic — Stock Photo
    Dermatologist examining skin of patient with dermatoscope in clinic
    Illustration of elbow blue replacement prosthesis on white background. — Stock Photo
    Illustration of elbow blue replacement prosthesis on white background.
    Prosthetic heart valves — Stock Photo
    Prosthetic heart valves
    Dentist teaching elementary age boy about dental hygiene with brush and jaw model. — Stock Photo
    Dentist teaching elementary age boy about dental hygiene with brush and jaw model.