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    Physician measuring body fat on triceps using calipers test on male athlete. — Stock Photo
    Physician measuring body fat on triceps using calipers test on male athlete.
    Pills and capsules in test tube on grey background. — Stock Photo
    Pills and capsules in test tube on grey background.
    Female patient undergoing an x-ray test in the hospital — Stock Photo
    Female patient undergoing an x-ray test in the hospital
    Mid adult woman doing pin prick test on finger. — Stock Photo
    Mid adult woman doing pin prick test on finger.
    Scientist pipetting solution into the glass test tube at lab — Stock Photo
    Scientist pipetting solution into the glass test tube at lab
    Room with soundproof foam walls and contemporary equipment for audiological examination and hearing test — Stock Photo
    Room with soundproof foam walls and contemporary equipment for audiological examination and hearing test
    France, Limousin, triticale field, hybrid of wheat and rye, near Aubusson. — Stock Photo
    France, Limousin, triticale field, hybrid of wheat and rye, near Aubusson.
    Teacher supervising high school students taking exam at desks — Stock Photo
    Teacher supervising high school students taking exam at desks
    Curious girl students conducting scientific experiment in laboratory classroom — Stock Photo
    Curious girl students conducting scientific experiment in laboratory classroom
    Close up of rack of test tubes with solution in lab — Stock Photo
    Close up of rack of test tubes with solution in lab
    Urine sample for analysis and test strip with chart, studio shot. — Stock Photo
    Urine sample for analysis and test strip with chart, studio shot.
    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.
    Dentist taking x-ray of patient teeth at clinic — Stock Photo
    Dentist taking x-ray of patient teeth at clinic
    Person hand filling test tube with tap water. — Stock Photo
    Person hand filling test tube with tap water.
    Professor giving exam results to university students — Stock Photo
    Professor giving exam results to university students
    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
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Bacterial colonies on agar plates — Stock Photo
    Bacterial colonies on agar plates
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Petri dish with bacteria — Stock Photo
    Petri dish with bacteria
    Urine sample in tube on surgical tray. — Stock Photo
    Urine sample in tube on surgical tray.
    Senior man with diabetes using blood glucose meter on finger — Stock Photo
    Senior man with diabetes using blood glucose meter on finger
    Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory.
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory.
    Scientist pipetting solution into the glass sheet at lab — Stock Photo
    Scientist pipetting solution into the glass sheet at lab
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Microbiologist working with petri dishes and test tubes in laboratory. — Stock Photo
    Microbiologist working with petri dishes and test tubes in laboratory.
    School in Grashoek village — Stock Photo
    School in Grashoek village
    Male optometrist examining eye test equipment — Stock Photo
    Male optometrist examining eye test equipment
    Human blood cells, computer illustration — Stock Photo
    Human blood cells, computer illustration
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Scientist holding test tube with green liquid — Stock Photo
    Scientist holding test tube with green liquid
    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
    Blood samples in centrifuge tubes on white background. — Stock Photo
    Blood samples in centrifuge tubes on white background.
    Close-up view of plant seedling in test tube. — Stock Photo
    Close-up view of plant seedling in test tube.
    Male laboratory assistant holding test tube rack. — Stock Photo
    Male laboratory assistant holding test tube rack.
    France, New Aquitaine, Arcachon Bay, La Teste de Buch, Bordes salt marsh at low tide — Stock Photo
    France, New Aquitaine, Arcachon Bay, La Teste de Buch, Bordes salt marsh at low tide
    Boy having hearing test in female audiologist office. — Stock Photo
    Boy having hearing test in female audiologist office.
    Car salesman talking to couple — Stock Photo
    Car salesman talking to couple
    Female agronomist taking notes in field of soil. — Stock Photo
    Female agronomist taking notes in field of soil.
    Close-up of pipette pipetting into test tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into test tubes in pathogenic laboratory.
    Senior male with phoropter during eye examination — Stock Photo
    Senior male with phoropter during eye examination
    Attentive university students doing a experiment in laboratory — Stock Photo
    Attentive university students doing a experiment in laboratory
    Teenage girl experimenting chemical solution in laboratory — Stock Photo
    Teenage girl experimenting chemical solution in laboratory
    Cropped unrecognizable woman hands holding a pregnancy test besides a window — Stock Photo
    Cropped unrecognizable woman hands holding a pregnancy test besides a window
    Agronomy specialist taking soil sample for fertility analysis. — Stock Photo
    Agronomy specialist taking soil sample for fertility analysis.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    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
    Pipette bottles in tray with allergens. — Stock Photo
    Pipette bottles in tray with allergens.
    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.
    Man checking blood pressure on a white background — Stock Photo
    Man checking blood pressure on a white background
    Laboratory technician checking invoices in blood bank — Stock Photo
    Laboratory technician checking invoices in blood bank
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory.
    Crop anonymous scientist in protective gloves shaking blue chemical substance in flask while working in modern equipped laboratory — Stock Photo
    Crop anonymous scientist in protective gloves shaking blue chemical substance in flask while working in modern equipped laboratory
    Hand of researcher holding vacutainer tube above pool of blood and syringe. — Stock Photo
    Hand of researcher holding vacutainer tube above pool of blood and syringe.
    Senior woman using spirometer, measuring lung capacity and peak expiratory force. — Stock Photo
    Senior woman using spirometer, measuring lung capacity and peak expiratory force.
    Person using a smart phone, taking a photograph of a Track and Trace QR code on a yellow background — Stock Photo
    Person using a smart phone, taking a photograph of a Track and Trace QR code on a yellow background
    Young asian college student with documents posing against grey wall — Stock Photo
    Young asian college student with documents posing against grey wall
    Empty and sterile phials in red plastic box. — Stock Photo
    Empty and sterile phials in red plastic box.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.