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    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Computer programmers testing virtual reality simulator glasses at computer in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses at computer in office
    Urine sample and diagnostic dipstick on surgical tray. — Stock Photo
    Urine sample and diagnostic dipstick on surgical tray.
    Closeup view of empty laboratory beakers — Stock Photo
    Closeup view of empty laboratory beakers
    Young female medical worker using microscope at workplace on blurred background — Stock Photo
    Young female medical worker using microscope at workplace on blurred background
    From above closed glass ampoules with scientific samples arranged in black foam rubber case in lab — Stock Photo
    From above closed glass ampoules with scientific samples arranged in black foam rubber case in lab
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes. — Stock Photo
    Colored scanning electron micrograph of sectioned seminiferous tubule, site of sperm production in human testes.
    Portrait of dentist taking x-ray of patient teeth at clinic — Stock Photo
    Portrait of dentist taking x-ray of patient teeth at clinic
    Doctor wearing on woman eyesight testing spectacles. — Stock Photo
    Doctor wearing on woman eyesight testing spectacles.
    Optometrist examining patient eyes with eye test equipment in clinic — Stock Photo
    Optometrist examining patient eyes with eye test equipment in clinic
    Crop scientist adding liquid in flask — Stock Photo
    Crop scientist adding liquid in flask
    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Boy students conducting scientific experiment, examining liquid in test tube in laboratory classroom — Stock Photo
    Boy students conducting scientific experiment, examining liquid in test tube in laboratory classroom
    Plant seedling in soil in Petri dish under light microscope. — Stock Photo
    Plant seedling in soil in Petri dish under light microscope.
    Athlete riding an exercise bike — Stock Photo
    Athlete riding an exercise bike
    Laboratory technicians interacting with each other in blood bank — Stock Photo
    Laboratory technicians interacting with each other in blood bank
    Female doctor putting headphones on boy having hearing test. — Stock Photo
    Female doctor putting headphones on boy having hearing test.
    Reading a book. Education, Academic, Learning Reading and Exam concept. — Stock Photo
    Reading a book. Education, Academic, Learning Reading and Exam concept.
    Test tubes and baby pacifiers on plain background. — Stock Photo
    Test tubes and baby pacifiers on plain background.
    Dentist showing dental x-ray to patient at clinic — Stock Photo
    Dentist showing dental x-ray to patient at clinic
    Close-up of sample tubes in rack. — Stock Photo
    Close-up of sample tubes in rack.
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    Hands of scientist in laboratory mixing samples of soil with reagent. — Stock Photo
    Hands of scientist in laboratory mixing samples of soil with reagent.
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Doctor reading the results of blood test while holding blood sample. — Stock Photo
    Doctor reading the results of blood test while holding blood sample.
    Doctor using x-ray machine to examining patient in hospital — Stock Photo
    Doctor using x-ray machine to examining patient in hospital
    Bacterial colonies on agar plate. — Stock Photo
    Bacterial colonies on agar plate.
    Group of white masks fanned out with reusable KN95 protection index for virus protection on red background — Stock Photo
    Group of white masks fanned out with reusable KN95 protection index for virus protection on red background
    Nurse applying plaster to girl hand. — Stock Photo
    Nurse applying plaster to girl hand.
    Elder man checking his arterial pressure with machine — Stock Photo
    Elder man checking his arterial pressure with machine
    Phases of chocolate cooking — Stock Photo
    Phases of chocolate cooking
    A vial of the Coronavirus vaccine and syringe on a table in a clinic — Stock Photo
    A vial of the Coronavirus vaccine and syringe on a table in a clinic
    Young female EMS key worker doctor in front of healthcare ICU facility — Stock Photo
    Young female EMS key worker doctor in front of healthcare ICU facility
    Hand holding bottle of medicines with white background — Stock Photo
    Hand holding bottle of medicines with white background
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background. — Stock Photo
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background.
    Lab technician holding tray of calibrated samples — Stock Photo
    Lab technician holding tray of calibrated samples
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Team of dentists before an operation — Stock Photo
    Team of dentists before an operation
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory. — Stock Photo
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory.
    Scientist hand carrying bacteria colonies growing in Petri dish. — Stock Photo
    Scientist hand carrying bacteria colonies growing in Petri dish.
    Side view of professional doctors in protective masks and uniforms checking equipment before operation in modern hospital during epidemic — Stock Photo
    Side view of professional doctors in protective masks and uniforms checking equipment before operation in modern hospital during epidemic
    Senior woman doing a mailed DNA test at home. — Stock Photo
    Senior woman doing a mailed DNA test at home.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman
    Close-up of dentist drilling boy teeth in clinic. — Stock Photo
    Close-up of dentist drilling boy teeth in clinic.
    Top view of pregnancy test placed on pink background — Stock Photo
    Top view of pregnancy test placed on pink background
    Urine sample for analysis and test strip with chart, studio shot. — Stock Photo
    Urine sample for analysis and test strip with chart, studio shot.
    Microbiologist working with petri dish and test tubes in laboratory. — Stock Photo
    Microbiologist working with petri dish and test tubes in laboratory.
    Bioarcheology scientists analyzing human skull in DNA archaeology lab. — Stock Photo
    Bioarcheology scientists analyzing human skull in DNA archaeology lab.
    Cervical screening test equipment on white background. — Stock Photo
    Cervical screening test equipment on white background.
    Test tubes, computer illustration — Stock Photo
    Test tubes, computer illustration
    Liquid in bottles, test tubes and beakers in science laboratory classroom — Stock Photo
    Liquid in bottles, test tubes and beakers in science laboratory classroom
    Assorted disposable plastic pipette tips and sample tubes. — Stock Photo
    Assorted disposable plastic pipette tips and sample tubes.
    Laboratory technicians analyzing blood sample in blood bank — Stock Photo
    Laboratory technicians analyzing blood sample in blood bank
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    Cropped view of scientist holding sample for analytical testing. — Stock Photo
    Cropped view of scientist holding sample for analytical testing.
    Elementary age boy undergoing sight examination with slit lamp in ophthalmology clinic. — Stock Photo
    Elementary age boy undergoing sight examination with slit lamp in ophthalmology clinic.
    Laboratory technician holding test tubes in blood bank — Stock Photo
    Laboratory technician holding test tubes in blood bank