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    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Female students watching mentor conducting experiment in lab — Stock Photo
    Female students watching mentor conducting experiment in lab
    Eye examination of woman with slit lamp. — Stock Photo
    Eye examination of woman with slit lamp.
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    Scientists preparing glass slide with sample in laboratory. — Stock Photo
    Scientists preparing glass slide with sample in laboratory.
    Laboratory technician using laptop in blood bank — Stock Photo
    Laboratory technician using laptop in blood bank
    Teenage girl holding clipboard while practicing experiment in lab — Stock Photo
    Teenage girl holding clipboard while practicing experiment in lab
    Forensic scientist taking hair specimen for DNA testing from clothing from crime scene. — Stock Photo
    Forensic scientist taking hair specimen for DNA testing from clothing from crime scene.
    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.
    Senior couple checking blood sugar with glucometer in living room at home — Stock Photo
    Senior couple checking blood sugar with glucometer in living room at home
    Petri dishes and pipette, close-up. — Stock Photo
    Petri dishes and pipette, close-up.
    Technician holding urine sample for testing in laboratory. — Stock Photo
    Technician holding urine sample for testing in laboratory.
    University student writing on clipboard while doing experiment in laboratory — Stock Photo
    University student writing on clipboard while doing experiment in laboratory
    Cut lavender flowers — Stock Photo
    Cut lavender flowers
    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Doctors examining boy teeth in clinic. — Stock Photo
    Doctors examining boy teeth in clinic.
    Professor watching college students taking test in classroom — Stock Photo
    Professor watching college students taking test in classroom
    Female agronomist taking notes in field of soil. — Stock Photo
    Female agronomist taking notes in field of soil.
    Optometrist examining patient eyes with slit lamp in clinic — Stock Photo
    Optometrist examining patient eyes with slit lamp in clinic
    Petri dish with bacteria — Stock Photo
    Petri dish with bacteria
    Tests on desks in empty classroom interior — Stock Photo
    Tests on desks in empty classroom interior
    Eye examination. Woman wearing trial frames during an eye examination. — Stock Photo
    Eye examination. Woman wearing trial frames during an eye examination.
    Close-up of refrigerated centrifuge machine in blood bank — Stock Photo
    Close-up of refrigerated centrifuge machine in blood bank
    Ophthalmologist carrying out visual acuity test with little patient. — Stock Photo
    Ophthalmologist carrying out visual acuity test with little patient.
    Physician measuring arm circumference with tape measure on male athlete. — Stock Photo
    Physician measuring arm circumference with tape measure on male athlete.
    Side view of scientist working in lab — Stock Photo
    Side view of scientist working in lab
    Female agronomist taking sample with soil probe sampler. — Stock Photo
    Female agronomist taking sample with soil probe sampler.
    Hands of physical therapist performing skinfold test to measuring teenage boy body fat. — Stock Photo
    Hands of physical therapist performing skinfold test to measuring teenage boy body fat.
    Bacterial colonies on agar plates — Stock Photo
    Bacterial colonies on agar plates
    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
    Female scientist holding blood samples in test tubes. — Stock Photo
    Female scientist holding blood samples in test tubes.
    Podiatrist examining and treating patient — Stock Photo
    Podiatrist examining and treating patient
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Physician measuring body fat on chest using skinfold thickness test on male athlete. — Stock Photo
    Physician measuring body fat on chest using skinfold thickness test on male athlete.
    Athlete riding an exercise bike — Stock Photo
    Athlete riding an exercise bike
    Robotic engineers testing robotic machine in warehouse — Stock Photo
    Robotic engineers testing robotic machine in warehouse
    Scientist pipetting solution into the glass test tube at lab — Stock Photo
    Scientist pipetting solution into the glass test tube at lab
    Gloved hand holding multiwell tray containing blood samples. — Stock Photo
    Gloved hand holding multiwell tray containing blood samples.
    Smiling girl students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Smiling girl students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Radiographer comforting patient before computed tomography (CT) scan. — Stock Photo
    Radiographer comforting patient before computed tomography (CT) scan.
    Labelled test tubes with blood samples. — Stock Photo
    Labelled test tubes with blood samples.
    Labelled vacutainer tubes containing blood samples, close-up. — Stock Photo
    Labelled vacutainer tubes containing blood samples, close-up.
    Woman sitting on sofa and looking down at pregnancy test. — Stock Photo
    Woman sitting on sofa and looking down at pregnancy test.
    Female doctor examining a microscope in a hospital. — Stock Photo
    Female doctor examining a microscope in a hospital.
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Female working at laptop with medical vials — Stock Photo
    Female working at laptop with medical vials
    Pile of filled medical tesing tubes — Stock Photo
    Pile of filled medical tesing tubes
    Young asian college students studying together against campus — Stock Photo
    Young asian college students studying together against campus
    Urine sample in tube on surgical tray. — Stock Photo
    Urine sample in tube on surgical tray.
    Black woman in optometry cabinet during study of the eyesight — Stock Photo
    Black woman in optometry cabinet during study of the eyesight
    Hand holding bottle of medicines with white background — Stock Photo
    Hand holding bottle of medicines with white background
    Various dried fruits in test tubes over white surface — Stock Photo
    Various dried fruits in test tubes over white surface
    Close-up view of medical sample with genetic test results. — Stock Photo
    Close-up view of medical sample with genetic test results.
    Lab technician holding sample in flame — Stock Photo
    Lab technician holding sample in flame
    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
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Cropped shot of doctor working with electric dropper — Stock Photo
    Cropped shot of doctor working with electric dropper
    Female scientist examining test tube in laboratory — Stock Photo
    Female scientist examining test tube in laboratory
    Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into microcentrifuge tubes in pathogenic laboratory.
    Young researchers holding dropper and test tube in laboratory. — Stock Photo
    Young researchers holding dropper and test tube in laboratory.