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    Hand of technician holding hepatitis sample for testing in laboratory. — Stock Photo
    Hand of technician holding hepatitis sample for testing in laboratory.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    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.
    Scientist holding test tube with green liquid — Stock Photo
    Scientist holding test tube with green liquid
    Podiatrist examining and treating patient — Stock Photo
    Podiatrist examining and treating patient
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Female immunologist performing skin prick allergy testing on preschooler boy. — Stock Photo
    Female immunologist performing skin prick allergy testing on preschooler boy.
    Optometrist explaining eyesight report on screen in clinic — Stock Photo
    Optometrist explaining eyesight report on screen in clinic
    Ophthalmologist examining a womans eyes with a slit lamp — Stock Photo
    Ophthalmologist examining a womans eyes with a slit lamp
    Forensic scientist putting swab into sample tube. — Stock Photo
    Forensic scientist putting swab into sample tube.
    Urine sample container on toilet in bathroom, studio shot. — Stock Photo
    Urine sample container on toilet in bathroom, studio shot.
    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.
    Close-up shot of group of surgeons in operating room at work — Stock Photo
    Close-up shot of group of surgeons in operating room at work
    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.
    X-ray of spinal cord on computer monitor in hospital — Stock Photo
    X-ray of spinal cord on computer monitor in hospital
    Ophthalmologist examining patient with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining patient with slit lamp in clinic.
    Doctor doing ultrasound for patient at hospital — Stock Photo
    Doctor doing ultrasound for patient at hospital
    Woman using a glucometer to take a blood glucose reading. — Stock Photo
    Woman using a glucometer to take a blood glucose reading.
    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.
    Various food produce in test tubes, studio shot. — Stock Photo
    Various food produce in test tubes, studio shot.
    Female scientific researcher working in laboratory and pipetting into test tube. — Stock Photo
    Female scientific researcher working in laboratory and pipetting into test tube.
    Scared boy looking at dental drill in dentist hand. — Stock Photo
    Scared boy looking at dental drill in dentist hand.
    Female dentist taking x-ray of patient teeth at clinic — Stock Photo
    Female dentist taking x-ray of patient teeth at clinic
    Researcher in white costume holding bottle in science lab. — Stock Photo
    Researcher in white costume holding bottle in science lab.
    Coronavirus negative and positive blood test near vaccine flask and syringe on pink background — Stock Photo
    Coronavirus negative and positive blood test near vaccine flask and syringe on pink background
    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
    Unrecognizable chemist taking blue fluid with pipette while conducting experiment in modern lab — Stock Photo
    Unrecognizable chemist taking blue fluid with pipette while conducting experiment in modern lab
    Safety inspector taking water sample from pool — Stock Photo
    Safety inspector taking water sample from pool
    Raw, light, medium and dark roast coffee beans in test tubes. — Stock Photo
    Raw, light, medium and dark roast coffee beans in test tubes.
    Young male and female scientists working in laboratory. — Stock Photo
    Young male and female scientists working in laboratory.
    Scientists experimenting together in laboratory — Stock Photo
    Scientists experimenting together in laboratory
    Black women and man in uniform discussing data on computer while working in contemporary laboratory together — Stock Photo
    Black women and man in uniform discussing data on computer while working in contemporary laboratory together
    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.
    Ophthalmologist carrying out visual acuity test with little patient. — Stock Photo
    Ophthalmologist carrying out visual acuity test with little patient.
    Water department technician using flow rate sensor — Stock Photo
    Water department technician using flow rate sensor
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman in hospital — Stock Photo
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman in hospital
    Cheerful teacher and student conducting experiment in lab — Stock Photo
    Cheerful teacher and student conducting experiment in lab
    Mid section of laboratory technicians holding tags in blood bank — Stock Photo
    Mid section of laboratory technicians holding tags in blood bank
    Male optometrist examining eye test equipment — Stock Photo
    Male optometrist examining eye test equipment
    Girl holding test tubes with chemicals — Stock Photo
    Girl holding test tubes with chemicals
    Young woman undergoing mammography procedure. — Stock Photo
    Young woman undergoing mammography procedure.
    Middle-aged woman and her doctor in an open MRI machine waiting for the test to start — Stock Photo
    Middle-aged woman and her doctor in an open MRI machine waiting for the test to start
    Cropped unrecognizable woman hands holding a pregnancy test besides a window — Stock Photo
    Cropped unrecognizable woman hands holding a pregnancy test besides a window
    Female chemist setting up vacuum pump in laboratory, close-up — Stock Photo
    Female chemist setting up vacuum pump in laboratory, close-up
    Syringe with spilled blood on white background. — Stock Photo
    Syringe with spilled blood on white background.
    Close-up of examination of soil samples in agrochemical laboratory. — Stock Photo
    Close-up of examination of soil samples in agrochemical laboratory.
    Female researcher studying DNA autoradiogram. — Stock Photo
    Female researcher studying DNA autoradiogram.
    Aged male in headphones and mask sitting in room with doctor conducting audiological diagnostic of hearing — Stock Photo
    Aged male in headphones and mask sitting in room with doctor conducting audiological diagnostic of hearing
    Optometrist explaining eyesight report on autorefractors screen in clinic — Stock Photo
    Optometrist explaining eyesight report on autorefractors screen in clinic
    College students taking test at desks in classroom — Stock Photo
    College students taking test at desks in classroom
    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
    Male scientists experimenting together in laboratory — Stock Photo
    Male scientists experimenting together in laboratory
    Doctors hands making a research in laboratory — Stock Photo
    Doctors hands making a research in laboratory
    Team of scientists experimenting together in laboratory — Stock Photo
    Team of scientists experimenting together in laboratory
    Female forensic scientist examining fingerprints. — Stock Photo
    Female forensic scientist examining fingerprints.
    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
    Car salesman talking to couple — Stock Photo
    Car salesman talking to couple
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    Radiologist recording results of CT scanning. — Stock Photo
    Radiologist recording results of CT scanning.
    Scientist pipetting solution into the glass test tube at lab — Stock Photo
    Scientist pipetting solution into the glass test tube at lab