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    Colored scanning electron micrograph of protective dendritic cell of immune system. — Stock Photo
    Colored scanning electron micrograph of protective dendritic cell of immune system.
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman in hospital — Stock Photo
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman in hospital
    Coloured scanning electron micrograph (SEM) of a dental root canal file. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a dental root canal file.
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Portrait of smiling doctor standing in x-ray room at hospital — Stock Photo
    Portrait of smiling doctor standing in x-ray room at hospital
    Ophthalmologist examining patient with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining patient with slit lamp in clinic.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Middle-aged woman on an open MRI machine waiting for the test to begin — Stock Photo
    Middle-aged woman on an open MRI machine waiting for the test to begin
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    Necklace, X-ray, radiology scan — Stock Photo
    Necklace, X-ray, radiology scan
    Patient lying on mri machine in scanning room at hospital — Stock Photo
    Patient lying on mri machine in scanning room at hospital
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change. — Stock Photo
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change.
    Doctors talking to patient before mri scanning test at hospital — Stock Photo
    Doctors talking to patient before mri scanning test at hospital
    Patient undergoing applanation tonometry and eye pressure test in ophthalmology clinic. — Stock Photo
    Patient undergoing applanation tonometry and eye pressure test in ophthalmology clinic.
    Close-up of doctor hand doing ultrasound scan of abdomen of pregnant woman. — Stock Photo
    Close-up of doctor hand doing ultrasound scan of abdomen of pregnant woman.
    Colored magnetic resonance imaging scans of healthy brain of patient. — Stock Photo
    Colored magnetic resonance imaging scans of healthy brain of patient.
    Pilot helmet, X-ray, radiology scan — Stock Photo
    Pilot helmet, X-ray, radiology scan
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Male patient going through x-ray test in hospital — Stock Photo
    Male patient going through x-ray test in hospital
    Close-up shot of female doctor examining newborn baby under uv light — Stock Photo
    Close-up shot of female doctor examining newborn baby under uv light
    Skeleton in office chair, X-ray. — Stock Photo
    Skeleton in office chair, X-ray.
    Bleeding heart (Dicentra spectabilis), X-ray. — Stock Photo
    Bleeding heart (Dicentra spectabilis), X-ray.
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system — Stock Photo
    Resting T lymphocytes. Coloured scanning electron micrograph (SEM) of resting T lymphocytes from a human blood sample. T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Doctor viewing X-ray of hand on digital tablet. — Stock Photo
    Doctor viewing X-ray of hand on digital tablet.
    Red and white blood cells aggregating — Stock Photo
    Red and white blood cells aggregating
    Saxophone, X-ray, radiology scan — Stock Photo
    Saxophone, X-ray, radiology scan
    Liver cancer. Coloured axial computed tomography (CT) scan through the abdomen of an 80-year-old man with cancer of the liver. The liver is at center left — Stock Photo
    Liver cancer. Coloured axial computed tomography (CT) scan through the abdomen of an 80-year-old man with cancer of the liver. The liver is at center left
    Middle-aged woman and her doctor in an open MRI machine waiting for the test to start — Stock Photo
    Middle-aged woman and her doctor in an open MRI machine waiting for the test to start
    Patient entering mri scanning machine at hospital — Stock Photo
    Patient entering mri scanning machine at hospital
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Colored computed tomography scan of section through brain of senior male patient with dementia. — Stock Photo
    Colored computed tomography scan of section through brain of senior male patient with dementia.
    Human skull and computer circuit board, coloured X-ray. — Stock Photo
    Human skull and computer circuit board, coloured X-ray.
    Middle-aged woman and her doctor in an open MRI machine waiting for the test to start — Stock Photo
    Middle-aged woman and her doctor in an open MRI machine waiting for the test to start
    Coloured scanning electron micrograph of 293T cell in early stage of programmed apoptosis cell death. — Stock Photo
    Coloured scanning electron micrograph of 293T cell in early stage of programmed apoptosis cell death.
    Pregnant woman receiving a ultrasound scan on the stomach in hospital — Stock Photo
    Pregnant woman receiving a ultrasound scan on the stomach in hospital
    Colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer. — Stock Photo
    Colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer.
    Portrait of senior woman undergoing an x-ray test in hospital — Stock Photo
    Portrait of senior woman undergoing an x-ray test in hospital
    Doctors examining scan on computer with patient on MRI scanner in background — Stock Photo
    Doctors examining scan on computer with patient on MRI scanner in background
    Skull and helmet, X-ray. — Stock Photo
    Skull and helmet, X-ray.
    Young female doctor in uniform looking at x-ray image on wall in room — Stock Photo
    Young female doctor in uniform looking at x-ray image on wall in room
    Activated blood cell fragments platelets, coloured scanning electron micrograph. — Stock Photo
    Activated blood cell fragments platelets, coloured scanning electron micrograph.
    Doctor examining brain mri scan on digital tablet at hospital — Stock Photo
    Doctor examining brain mri scan on digital tablet at hospital
    Hypodermic needle (26 gauge) and human blood, coloured scanning electron micrograph (SEM). — Stock Photo
    Hypodermic needle (26 gauge) and human blood, coloured scanning electron micrograph (SEM).
    Doctors examining scan on computer with patient on MRI scanner in background — Stock Photo
    Doctors examining scan on computer with patient on MRI scanner in background
    Smiling doctor consoling patient before mri scanning at hospital — Stock Photo
    Smiling doctor consoling patient before mri scanning at hospital
    Pseudomonas aeruginosa bacteria — Stock Photo
    Pseudomonas aeruginosa bacteria
    Bottle top bag, X-ray. — Stock Photo
    Bottle top bag, X-ray.
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae. — Stock Photo
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Colored computed tomography scan of section through brain of senior male patient with dementia. — Stock Photo
    Colored computed tomography scan of section through brain of senior male patient with dementia.
    Patient entering mri scan machine at hospital — Stock Photo
    Patient entering mri scan machine at hospital
    Shoes, X-ray, radiology scan — Stock Photo
    Shoes, X-ray, radiology scan
    Escherichia coli bacteria on gecko tongue — Stock Photo
    Escherichia coli bacteria on gecko tongue
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic. — Stock Photo
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic.
    Long leaves and flower buds, X-ray. — Stock Photo
    Long leaves and flower buds, X-ray.
    Doctor using x-ray machine to examining patient in hospital — Stock Photo
    Doctor using x-ray machine to examining patient in hospital
    Young black female medic standing near window and examining x ray scan while working in clinic — Stock Photo
    Young black female medic standing near window and examining x ray scan while working in clinic
    Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin.
    Close-up of digital dermatoscope examining mole on patient arm. — Stock Photo
    Close-up of digital dermatoscope examining mole on patient arm.