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    University students looking at test results in corridor — Stock Photo
    University students looking at test results in corridor
    Scientist pipetting solution into the glass test tube at lab — Stock Photo
    Scientist pipetting solution into the glass test tube at lab
    Green vegetables in test tubes, studio shot. — Stock Photo
    Green vegetables in test tubes, studio shot.
    Forensics expert collecting blood sample from crime scene. — Stock Photo
    Forensics expert collecting blood sample from crime scene.
    Chemist child in plastic glasses with paint spots on face smelling liquid from bottle on beige background — Stock Photo
    Chemist child in plastic glasses with paint spots on face smelling liquid from bottle on beige background
    Woman getting eye exam with a phoropter in clinic — Stock Photo
    Woman getting eye exam with a phoropter in clinic
    Motor testing multimeter and mobile phone at floor in garage — Stock Photo
    Motor testing multimeter and mobile phone at floor in garage
    Mature doctor testing heart of male athlete on treadmill. — Stock Photo
    Mature doctor testing heart of male athlete on treadmill.
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic — Stock Photo
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic
    Close-up of examination of soil samples in agrochemical laboratory. — Stock Photo
    Close-up of examination of soil samples in agrochemical laboratory.
    Glass slide containing human sample under light microscope for medical testing. — Stock Photo
    Glass slide containing human sample under light microscope for medical testing.
    Closeup view of empty laboratory beakers in drawer — Stock Photo
    Closeup view of empty laboratory beakers in drawer
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Side view of female mechanic in googles using screwdriver to fix compressor engine — Stock Photo
    Side view of female mechanic in googles using screwdriver to fix compressor engine
    Scientist using pipette and scales at laboratory — Stock Photo
    Scientist using pipette and scales at laboratory
    Top view of bread and pasta with celiac test equipment, studio shot. — Stock Photo
    Top view of bread and pasta with celiac test equipment, studio shot.
    Home care specialist checking blood pressure of patient at home — Stock Photo
    Home care specialist checking blood pressure of patient at home
    Eye examination. Woman wearing trial frames during an eye examination. — Stock Photo
    Eye examination. Woman wearing trial frames during an eye examination.
    Young sad female caucasian UK US NHS EMS doctor carer looking through — Stock Photo
    Young sad female caucasian UK US NHS EMS doctor carer looking through
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Kids smelling scents at interactive exhibit in science center — Stock Photo
    Kids smelling scents at interactive exhibit in science center
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    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.
    Physician measuring waist circumference with tape measure on male athlete. — Stock Photo
    Physician measuring waist circumference with tape measure on male athlete.
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Blood samples ready for analysis — Stock Photo
    Blood samples ready for analysis
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    Doctors examining boy teeth in clinic. — Stock Photo
    Doctors examining boy teeth in clinic.
    Crop unrecognizable medic with needle and syringe collecting blood from vein of patient in hospital — Stock Photo
    Crop unrecognizable medic with needle and syringe collecting blood from vein of patient in hospital
    Hands of scientist in laboratory mixing samples of soil with reagent. — Stock Photo
    Hands of scientist in laboratory mixing samples of soil with reagent.
    Car dealer helping woman with test drive — Stock Photo
    Car dealer helping woman with test drive
    Optometrist adjusting the retinograph during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the retinograph during study of the eyesight of a black woman
    Laboratory technician using digital tablet in blood bank — Stock Photo
    Laboratory technician using digital tablet in blood bank
    Female college student taking test at desk in classroom — Stock Photo
    Female college student taking test at desk in classroom
    Scientist taking test tube from freezer in laboratory — Stock Photo
    Scientist taking test tube from freezer in laboratory
    Female immunologist performing skin prick allergy testing on preschooler boy. — Stock Photo
    Female immunologist performing skin prick allergy testing on preschooler boy.
    Examining petri dish under microscope. — Stock Photo
    Examining petri dish under microscope.
    Organ-on-a-chip. This is a microfluidic device that simulates biological organs. — Stock Photo
    Organ-on-a-chip. This is a microfluidic device that simulates biological organs.
    Scientist studying small device in laboratory — Stock Photo
    Scientist studying small device in laboratory
    University students receiving test results from professor — Stock Photo
    University students receiving test results from professor
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Bacterial colonies on agar plates — Stock Photo
    Bacterial colonies on agar plates
    Conical flask glassware with solution on table in science laboratory — Stock Photo
    Conical flask glassware with solution on table in science laboratory
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Podiatrist examining and treating patient — Stock Photo
    Podiatrist examining and treating patient
    Senior woman using pulse oximeter and smart phone, measuring oxygen saturation. — Stock Photo
    Senior woman using pulse oximeter and smart phone, measuring oxygen saturation.
    Female scientist in clean suit with test tubes studying coronavirus — Stock Photo
    Female scientist in clean suit with test tubes studying coronavirus
    Monitoring respiratory illness with digital spirometer. — Stock Photo
    Monitoring respiratory illness with digital spirometer.
    Side view of female mechanic wearing respirator using spray pistol — Stock Photo
    Side view of female mechanic wearing respirator using spray pistol
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab. — Stock Photo
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab.
    Cookies under a wooden box trap — Stock Photo
    Cookies under a wooden box trap
    Empty and sterile phials in red plastic box. — Stock Photo
    Empty and sterile phials in red plastic box.
    Senior man checking his blood sugar with glucometer at home — Stock Photo
    Senior man checking his blood sugar with glucometer at home
    Fluid pouring into laboratory glassware. — Stock Photo
    Fluid pouring into laboratory glassware.
    Female doctor holding tube with blood sample. — Stock Photo
    Female doctor holding tube with blood sample.
    Doctor using a glucometer to take a blood glucose reading from a patient. — Stock Photo
    Doctor using a glucometer to take a blood glucose reading from a patient.
    Male science teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male science teacher and students conducting scientific experiment in laboratory classroom
    Tube with blood sample on metal tray in laboratory, close-up. — Stock Photo
    Tube with blood sample on metal tray in laboratory, close-up.
    Unrecognizable pregnant female inspecting sonogram picture while lying on bed in ward of modern fertility clinic — Stock Photo
    Unrecognizable pregnant female inspecting sonogram picture while lying on bed in ward of modern fertility clinic