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    Scientist closing lid of vial while laboratory testing. — Stock Photo
    Scientist closing lid of vial while laboratory testing.
    Mother watching daughters sticking toes in water on lakeside dock — Stock Photo
    Mother watching daughters sticking toes in water on lakeside dock
    DNA testing using saliva sample. — Stock Photo
    DNA testing using saliva sample.
    Chinese doctor testing senior man blood pressure — Stock Photo
    Chinese doctor testing senior man blood pressure
    Mature doctor testing heart of male athlete on treadmill. — Stock Photo
    Mature doctor testing heart of male athlete on treadmill.
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption. — Stock Photo
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption.
    Graduated pipette and test tubes — Stock Photo
    Graduated pipette and test tubes
    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.
    Urine sample in tube on surgical tray. — Stock Photo
    Urine sample in tube on surgical tray.
    Lab technician removing sample vial cap — Stock Photo
    Lab technician removing sample vial cap
    Preschooler boy undergoing logic cards test for developmental psychology test in female psychologist office. — Stock Photo
    Preschooler boy undergoing logic cards test for developmental psychology test in female psychologist office.
    Boy standing by a river dipping his toe in the water, United States — Stock Photo
    Boy standing by a river dipping his toe in the water, United States
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    Preteen boy undergoing lung function test with female nurse. — Stock Photo
    Preteen boy undergoing lung function test with female nurse.
    Researcher taking blood sample — Stock Photo
    Researcher taking blood sample
    Patient undergoing patch test in allergy clinic. — Stock Photo
    Patient undergoing patch test in allergy clinic.
    Female staff using digital tablet while working in egg factory — Stock Photo
    Female staff using digital tablet while working in egg factory
    Female hand testing with toothpick cupcakes — Stock Photo
    Female hand testing with toothpick cupcakes
    Health screening — Stock Photo
    Health screening
    Pills in petri dishes — Stock Photo
    Pills in petri dishes
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory.
    A nurse is in protective gear against covid-19 — Stock Photo
    A nurse is in protective gear against covid-19
    Female staff using digital tablet while examining egg on digital egg monitor in egg factory — Stock Photo
    Female staff using digital tablet while examining egg on digital egg monitor in egg factory
    Boy having eye test with special equipment. — Stock Photo
    Boy having eye test with special equipment.
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.
    African american senior male doctor performing throat swab test on african american man at home. medical testing for prevention of coronavirus outbreak concept — Stock Photo
    African american senior male doctor performing throat swab test on african american man at home. medical testing for prevention of coronavirus outbreak concept
    Woman using a glucometer to take a blood glucose reading. — Stock Photo
    Woman using a glucometer to take a blood glucose reading.
    Skillful caucasian electrician working in home — Stock Photo
    Skillful caucasian electrician working in home
    Pipette and petri dishes for blood testing. — Stock Photo
    Pipette and petri dishes for blood testing.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Woman trying out perfume in drugstore — Stock Photo
    Woman trying out perfume in drugstore
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter. — Stock Photo
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter.
    Man standing thigh deep in sea — Stock Photo
    Man standing thigh deep in sea
    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.
    Patient having electrodes attached to legs by physician for electromyography nerve conduction test. — Stock Photo
    Patient having electrodes attached to legs by physician for electromyography nerve conduction test.
    Lab technician using flame test probe to gather sample from vile — Stock Photo
    Lab technician using flame test probe to gather sample from vile
    Female staff examining egg on digital egg monitor in egg factory — Stock Photo
    Female staff examining egg on digital egg monitor in egg factory
    Preschooler boy coloring shapes with colorful pens for developmental psychology test in psychologist office. — Stock Photo
    Preschooler boy coloring shapes with colorful pens for developmental psychology test in psychologist office.
    Close-up of female hand using pen-like lancing device for prick test. — Stock Photo
    Close-up of female hand using pen-like lancing device for prick test.
    Scientist hands holding urine sample in container and chart, studio shot. — Stock Photo
    Scientist hands holding urine sample in container and chart, studio shot.
    Scientist viewing results of genetic test on digital tablet. — Stock Photo
    Scientist viewing results of genetic test on digital tablet.
    High angle view of a Caucasian and African American men wearing high visibility vest, working in a microbrewery, checking bottles of beer. — Stock Photo
    High angle view of a Caucasian and African American men wearing high visibility vest, working in a microbrewery, checking bottles of beer.
    Still life of microscope on laboratory bench. — Stock Photo
    Still life of microscope on laboratory bench.
    Scientist pipetting samples into multi well plate for automated testing in laboratory. — Stock Photo
    Scientist pipetting samples into multi well plate for automated testing in laboratory.
    Pipetting samples into microcentrifuge tubes — Stock Photo
    Pipetting samples into microcentrifuge tubes
    Blood testing equipment — Stock Photo
    Blood testing equipment
    Microbiologist working with petri dish and test tubes in laboratory. — Stock Photo
    Microbiologist working with petri dish and test tubes in laboratory.
    Doctor using a lance to take a finger prick blood sample from a patient. — Stock Photo
    Doctor using a lance to take a finger prick blood sample from a patient.
    Athlete riding an exercise bike — Stock Photo
    Athlete riding an exercise bike
    Teenage female university student practicing experiment in chemistry lab — Stock Photo
    Teenage female university student practicing experiment in chemistry lab
    Preschooler boy undergoing logic test with numbers for developmental psychology test in female psychologist office. — Stock Photo
    Preschooler boy undergoing logic test with numbers for developmental psychology test in female psychologist office.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Variety of potential drugs in pharmaceutical vials and test tubes. — Stock Photo
    Variety of potential drugs in pharmaceutical vials and test tubes.
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory.
    Handsome Carpenter fixing door at home — Stock Photo
    Handsome Carpenter fixing door at home
    Grains and pulses in plastic cups for agriculture research, conceptual image. — Stock Photo
    Grains and pulses in plastic cups for agriculture research, conceptual image.
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Scientist hand holding blood drop sample on microscope slide, studio shot. — Stock Photo
    Scientist hand holding blood drop sample on microscope slide, studio shot.
    Scientist viewing medical sample on glass slide under microscope in laboratory. — Stock Photo
    Scientist viewing medical sample on glass slide under microscope in laboratory.
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic. — Stock Photo
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic.