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    Close-up of rack of sample tubes with blood for analysis. — Stock Photo
    Close-up of rack of sample tubes with blood for analysis.
    Blood sampling vacutainer tubes in rack, close-up. — Stock Photo
    Blood sampling vacutainer tubes in rack, close-up.
    Scientists preparing glass slide with sample in laboratory. — Stock Photo
    Scientists preparing glass slide with sample in laboratory.
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman and looking at computer screen in hospital — Stock Photo
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman and looking at computer screen in hospital
    Woman undergoing ophthalmology visual field testing with A-scan ultrasound biometry. — Stock Photo
    Woman undergoing ophthalmology visual field testing with A-scan ultrasound biometry.
    Radiographers taking computed tomography scan of patient. — Stock Photo
    Radiographers taking computed tomography scan of patient.
    Scientist holding test tubes with liquids in hand — Stock Photo
    Scientist holding test tubes with liquids in hand
    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Cropped shot of doctor working with electric dropper — Stock Photo
    Cropped shot of doctor working with electric dropper
    Elementary age boy in ophthalmology glasses reading visual chart while visual acuity test. — Stock Photo
    Elementary age boy in ophthalmology glasses reading visual chart while visual acuity test.
    Close-up shot of surgeon with binoculars at work — Stock Photo
    Close-up shot of surgeon with binoculars at work
    Female patient undergoing an x-ray test in the hospital — Stock Photo
    Female patient undergoing an x-ray test in the hospital
    Collage of a lot of blue protection masks over yellow background zenith view — Stock Photo
    Collage of a lot of blue protection masks over yellow background zenith view
    Team of dentists before an operation — Stock Photo
    Team of dentists before an operation
    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
    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Back view of anonymous group of professional doctors in protective suits transporting patient with virus infection to hospital — Stock Photo
    Back view of anonymous group of professional doctors in protective suits transporting patient with virus infection to hospital
    Female ICU doctor checking patient medical record clipboard card form,first responder frontline key medical worker,emergency triage service during COVID-19 coronavirus pandemic crisis,outside hospital — Stock Photo
    Female ICU doctor checking patient medical record clipboard card form,first responder frontline key medical worker,emergency triage service during COVID-19 coronavirus pandemic crisis,outside hospital
    Crop medic applying electrodes on chest of unrecognizable male patient in mask for ECG test — Stock Photo
    Crop medic applying electrodes on chest of unrecognizable male patient in mask for ECG test
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab.
    Female doctor teaching diabetic patient how to use glucometer in doctors office — Stock Photo
    Female doctor teaching diabetic patient how to use glucometer in doctors office
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic. — Stock Photo
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Close-up shot of group of surgeons operating in hospital — Stock Photo
    Close-up shot of group of surgeons operating in hospital
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Scientist in white uniform putting on protective mask — Stock Photo
    Scientist in white uniform putting on protective mask
    Close-up of a man's hand with a protective mask and a computer monitor. — Stock Photo
    Close-up of a man's hand with a protective mask and a computer monitor.
    Side view of anonymous doctor in protective suit standing in ambulance car near opened door with equipment and examining patient with virus infection — Stock Photo
    Side view of anonymous doctor in protective suit standing in ambulance car near opened door with equipment and examining patient with virus infection
    Unrecognizable female medic in mask and gloves holding tube with blood sample in modern lab in clinic — Stock Photo
    Unrecognizable female medic in mask and gloves holding tube with blood sample in modern lab in clinic
    Blood samples in syringes on white background. — Stock Photo
    Blood samples in syringes on white background.
    Dentist observing an x-ray before operating — Stock Photo
    Dentist observing an x-ray before operating
    Researcher in white costume writing on tablet at laboratory. — Stock Photo
    Researcher in white costume writing on tablet at laboratory.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Bearded elderly male in eye test glasses sitting in modern clinic before vision examination and looking at camera — Stock Photo
    Bearded elderly male in eye test glasses sitting in modern clinic before vision examination and looking at camera
    Bearded elderly male in eye test glasses sitting in modern clinic before vision examination and looking at camera — Stock Photo
    Bearded elderly male in eye test glasses sitting in modern clinic before vision examination and looking at camera
    Biologist with protective gloves performing a coronavirus test on a person in a car — Stock Photo
    Biologist with protective gloves performing a coronavirus test on a person in a car
    Glass phial with blood sample. — Stock Photo
    Glass phial with blood sample.
    Female doctor teaching diabetic senior patient how to use glucometer — Stock Photo
    Female doctor teaching diabetic senior patient how to use glucometer
    Female doctor examining senior patient with flashlight in intensive care unit — Stock Photo
    Female doctor examining senior patient with flashlight in intensive care unit
    Researcher preparing samples of donated blood for analysis. — Stock Photo
    Researcher preparing samples of donated blood for analysis.
    Scientists preparing multiwell plate with blood samples for testing and analysis. — Stock Photo
    Scientists preparing multiwell plate with blood samples for testing and analysis.
    Glass tube with blood sample of patient placed near syringe on table in vet clinic laboratory — Stock Photo
    Glass tube with blood sample of patient placed near syringe on table in vet clinic laboratory
    Scientist working with equipment at laboratory — Stock Photo
    Scientist working with equipment at laboratory
    Close-up view of vacutainer with needle on tray. — Stock Photo
    Close-up view of vacutainer with needle on tray.
    Barcodes on test tubes with blood samples. — Stock Photo
    Barcodes on test tubes with blood samples.
    Senior woman undergoing an x-ray test in hospital — Stock Photo
    Senior woman undergoing an x-ray test in hospital
    A doctor in latex gloves using finger cuff to examine blood pressure of little girl in casual yellow dress — Stock Photo
    A doctor in latex gloves using finger cuff to examine blood pressure of little girl in casual yellow dress
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Back view of anonymous group of professional doctors in protective suits transporting patient with virus infection to hospital — Stock Photo
    Back view of anonymous group of professional doctors in protective suits transporting patient with virus infection to hospital
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Female doctor putting headphones on boy having hearing test. — Stock Photo
    Female doctor putting headphones on boy having hearing test.
    Side view of anonymous doctors in protective suit standing in ambulance car near opened door with equipment and examining patient with virus infection — Stock Photo
    Side view of anonymous doctors in protective suit standing in ambulance car near opened door with equipment and examining patient with virus infection
    Senior male otolaryngologist in protective shield checking throat of patient with sterile spatula and flashlight in hospital — Stock Photo
    Senior male otolaryngologist in protective shield checking throat of patient with sterile spatula and flashlight in hospital
    Biologist with protective gloves performing a coronavirus test on a person in a car — Stock Photo
    Biologist with protective gloves performing a coronavirus test on a person in a car
    Scientist posing in protective costume in laboratory — Stock Photo
    Scientist posing in protective costume in laboratory
    Side view of scientist working in lab — Stock Photo
    Side view of scientist working in lab
    Close-up view of medical syringes with blood sample. — Stock Photo
    Close-up view of medical syringes with blood sample.
    Portrait of smiling doctor standing in x-ray room at hospital — Stock Photo
    Portrait of smiling doctor standing in x-ray room at hospital
    Dentist extracting a tooth in his office — Stock Photo
    Dentist extracting a tooth in his office
    Ophthalmologist performing visual field testing at female patient. — Stock Photo
    Ophthalmologist performing visual field testing at female patient.