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    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Female biologist in white coat pouring water in soil sample. — Stock Photo
    Female biologist in white coat pouring water in soil sample.
    Elementary age boy in ophthalmology glasses while eye examination in clinic. — Stock Photo
    Elementary age boy in ophthalmology glasses while eye examination in clinic.
    School in Grashoek village — Stock Photo
    School in Grashoek village
    Dentist studying an x-ray before operating — Stock Photo
    Dentist studying an x-ray before operating
    Female scientist in laboratory looking at glass flask with dissolved samples of soil. — Stock Photo
    Female scientist in laboratory looking at glass flask with dissolved samples of soil.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Water department technician installing a snow stake — Stock Photo
    Water department technician installing a snow stake
    Female patient going through x-ray test in hospital — Stock Photo
    Female patient going through x-ray test in hospital
    Crop medic applying electrodes on chest of unrecognizable male patient in mask for ECG test — Stock Photo
    Crop medic applying electrodes on chest of unrecognizable male patient in mask for ECG test
    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
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Male doctor examining patient in hospital — Stock Photo
    Male doctor examining patient in hospital
    Optometrist explaining eyesight report on screen in clinic — Stock Photo
    Optometrist explaining eyesight report on screen in clinic
    Close-up of empty and sterile phials in red plastic box. — Stock Photo
    Close-up of empty and sterile phials in red plastic box.
    Single test tube with blood sample. — Stock Photo
    Single test tube with blood sample.
    Young asian college students throwing paper in the air — Stock Photo
    Young asian college students throwing paper in the air
    Female radiologist studying CT scans on monitors. — Stock Photo
    Female radiologist studying CT scans on monitors.
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Various nuts in test tubes, studio shot. — Stock Photo
    Various nuts in test tubes, studio shot.
    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
    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.
    Young asian college students studying outdoors — Stock Photo
    Young asian college students studying outdoors
    Plastic test tubes in rack on white background. — Stock Photo
    Plastic test tubes in rack on white background.
    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.
    Rice in test tube, studio shot. — Stock Photo
    Rice in test tube, studio shot.
    Lab chemist preparing automated water test — Stock Photo
    Lab chemist preparing automated water test
    Researcher hand holding vacutainer tube in front of yellow tray. — Stock Photo
    Researcher hand holding vacutainer tube in front of yellow tray.
    Chemist setting up vacuum pump in pharmaceutical laboratory. — Stock Photo
    Chemist setting up vacuum pump in pharmaceutical laboratory.
    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
    Different chemicals in lab — Stock Photo
    Different chemicals in lab
    Portrait of boy waiting for teeth examination in clinic. — Stock Photo
    Portrait of boy waiting for teeth examination in clinic.
    Person hand holding DNA swab and test results for forensic evidence. — Stock Photo
    Person hand holding DNA swab and test results for forensic evidence.
    Agronomy specialist taking soil sample for fertility analysis. — Stock Photo
    Agronomy specialist taking soil sample for fertility analysis.
    Team of scientists experimenting together in laboratory — Stock Photo
    Team of scientists experimenting together in laboratory
    Medical stethoscope and cardiogram on paper on table — Stock Photo
    Medical stethoscope and cardiogram on paper on table
    Lab technician igniting Bunsen burner — Stock Photo
    Lab technician igniting Bunsen burner
    Close-up of examination of soil samples in agricultural laboratory. — Stock Photo
    Close-up of examination of soil samples in agricultural laboratory.
    Forensic DNA autoradiogram — Stock Photo
    Forensic DNA autoradiogram
    Female doctor putting headphones on boy having hearing test. — Stock Photo
    Female doctor putting headphones on boy having hearing test.
    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.
    The computers and tomographic scanner. Horizontal indoors shot. — Stock Photo
    The computers and tomographic scanner. Horizontal indoors shot.
    Pile of filled medical tesing tubes — Stock Photo
    Pile of filled medical tesing tubes
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand. — Stock Photo
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand.
    From above screen on device in hand in blue gloves of crop person looking for results of experiment — Stock Photo
    From above screen on device in hand in blue gloves of crop person looking for results of experiment
    Hand of doctor using medical tonometer in front of blurred x-ray image — Stock Photo
    Hand of doctor using medical tonometer in front of blurred x-ray image
    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.
    Laboratory technicians analyzing blood sample in blood bank — Stock Photo
    Laboratory technicians analyzing blood sample in blood bank
    Medical check-up including blood and urine test samples and results. — Stock Photo
    Medical check-up including blood and urine test samples and results.
    Scared boy looking at dental drill in dentist hand. — Stock Photo
    Scared boy looking at dental drill in dentist hand.
    College students taking test at desks in classroom — Stock Photo
    College students taking test at desks in classroom
    Green spinach in test tube, studio shot. — Stock Photo
    Green spinach in test tube, studio shot.
    Scientist pipetting samples into test tubes in laboratory. — Stock Photo
    Scientist pipetting samples into test tubes in laboratory.
    Biologist with protective gloves performing a coronavirus test on a person in a car — Stock Photo
    Biologist with protective gloves performing a coronavirus test on a person in a car
    Close up male scientist with test tube studying coronavirus vaccine — Stock Photo
    Close up male scientist with test tube studying coronavirus vaccine
    Scientist checking a solution in conical flask at lab — Stock Photo
    Scientist checking a solution in conical flask at lab
    Team of scientists experimenting together in laboratory — Stock Photo
    Team of scientists experimenting together in laboratory
    Close-up of pulse oximeter on patient hand. — Stock Photo
    Close-up of pulse oximeter on patient hand.
    Close up of Blood tests — Stock Photo
    Close up of Blood tests
    Row of transparent flasks with pink liquid reflected in glass table in biological laboratory on daytime — Stock Photo
    Row of transparent flasks with pink liquid reflected in glass table in biological laboratory on daytime