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    Optometrist adjusting the optometry equipment during study of the eyesight of a happy black woman — Stock Photo
    Optometrist adjusting the optometry equipment during study of the eyesight of a happy black woman
    Forensic DNA autoradiogram — Stock Photo
    Forensic DNA autoradiogram
    Young female scientist working in laboratory — Stock Photo
    Young female scientist working in laboratory
    Close-up of multiple test stick being placed into urine sample tube by female doctor. — Stock Photo
    Close-up of multiple test stick being placed into urine sample tube by female doctor.
    Nurse applying plaster to girl hand. — Stock Photo
    Nurse applying plaster to girl hand.
    Female patient at eye examination in ophthalmology clinic. — Stock Photo
    Female patient at eye examination in ophthalmology clinic.
    Doctors using x-ray machine to examining patient in hospital — Stock Photo
    Doctors using x-ray machine to examining patient in hospital
    Scientists discussing over clipboard in lab — Stock Photo
    Scientists discussing over clipboard in lab
    Physician measuring body fat on subscapular using skinfold thickness test on male athlete. — Stock Photo
    Physician measuring body fat on subscapular using skinfold thickness test on male athlete.
    Ophthalmologist examining a woman's eyes with a phoropter — Stock Photo
    Ophthalmologist examining a woman's eyes with a phoropter
    Laboratory technician holding test tubes in blood bank — Stock Photo
    Laboratory technician holding test tubes in blood bank
    Mature doctor testing heart of male athlete on treadmill. — Stock Photo
    Mature doctor testing heart of male athlete on treadmill.
    Blood testing equipment — Stock Photo
    Blood testing equipment
    Eye examination. Woman wearing trial frames during an eye examination. — Stock Photo
    Eye examination. Woman wearing trial frames during an eye examination.
    Male adult engineer in water treatment plant — Stock Photo
    Male adult engineer in water treatment plant
    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
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial — Stock Photo
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial
    Researcher preparing samples of donated blood for analysis. — Stock Photo
    Researcher preparing samples of donated blood for analysis.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Male laboratory assistant holding test tube rack. — Stock Photo
    Male laboratory assistant holding test tube rack.
    Light microscope with petri dishes on blue background. — Stock Photo
    Light microscope with petri dishes on blue background.
    Close-up of rack of cell cultures in tubes in laboratory. — Stock Photo
    Close-up of rack of cell cultures in tubes in laboratory.
    Glass phials in laboratory rack, close-up. — Stock Photo
    Glass phials in laboratory rack, close-up.
    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.
    Urine samples in containers for analysis, studio shot. — Stock Photo
    Urine samples in containers for analysis, studio shot.
    Doctor using x-ray machine to examining patient in hospital — Stock Photo
    Doctor using x-ray machine to examining patient in hospital
    Close-up of scientist doing experiment in lab — Stock Photo
    Close-up of scientist doing experiment in lab
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Senior man with diabetes using blood glucose meter on finger — Stock Photo
    Senior man with diabetes using blood glucose meter on finger
    Cervical screening test equipment on white background. — Stock Photo
    Cervical screening test equipment on white background.
    Back view crop male chemist in white robe latex gloves and face mask taking laboratory glassware from shelf while conducting research — Stock Photo
    Back view crop male chemist in white robe latex gloves and face mask taking laboratory glassware from shelf while conducting research
    Researcher using a light microscope for studying tube containing blood sample. — Stock Photo
    Researcher using a light microscope for studying tube containing blood sample.
    Blood samples in centrifuge tubes on white background. — Stock Photo
    Blood samples in centrifuge tubes on white background.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Hands of immunologist performing skin prick allergy testing on boy. — Stock Photo
    Hands of immunologist performing skin prick allergy testing on boy.
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    Mid section of laboratory technicians holding tags in blood bank — Stock Photo
    Mid section of laboratory technicians holding tags in blood bank
    Close-up of green chemical sample in glass phial. — Stock Photo
    Close-up of green chemical sample in glass phial.
    Crop anonymous doctor in medical glove demonstrating syringe with blood on white background — Stock Photo
    Crop anonymous doctor in medical glove demonstrating syringe with blood on white background
    Laboratory technician using refrigerated centrifuge machine in blood bank — Stock Photo
    Laboratory technician using refrigerated centrifuge machine in blood bank
    Close-up of hands of mature woman testing blood glucose with finger prick test. — Stock Photo
    Close-up of hands of mature woman testing blood glucose with finger prick test.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Nurse holding a vial of the coronavirus vaccine and a rapid PCR test device — Stock Photo
    Nurse holding a vial of the coronavirus vaccine and a rapid PCR test device
    Scientific laboratory researcher using test tube while experiment. — Stock Photo
    Scientific laboratory researcher using test tube while experiment.
    Mature blonde woman undergoing electroencephalography monitoring. — Stock Photo
    Mature blonde woman undergoing electroencephalography monitoring.
    Man checking blood pressure on a white background — Stock Photo
    Man checking blood pressure on a white background
    Optometrist specialist hand picking up lenses from case with several equipment — Stock Photo
    Optometrist specialist hand picking up lenses from case with several equipment
    Close-up of petri dishes and pipette for genetic research. — Stock Photo
    Close-up of petri dishes and pipette for genetic research.
    Crop medic analyzing data on digital monitor during cardiac stress test of male patient walking on treadmill — Stock Photo
    Crop medic analyzing data on digital monitor during cardiac stress test of male patient walking on treadmill
    Close-up of refrigerated centrifuge machine in blood bank — Stock Photo
    Close-up of refrigerated centrifuge machine in blood bank
    Scientist pipetting sample in microcentrifuge tube for chemical analysis. — Stock Photo
    Scientist pipetting sample in microcentrifuge tube for chemical analysis.
    Scientist checking a solution in conical flask at lab — Stock Photo
    Scientist checking a solution in conical flask at lab
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge. — Stock Photo
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge.
    Bacterial colonies on agar plates — Stock Photo
    Bacterial colonies on agar plates
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Scientists doing experiment together in lab — Stock Photo
    Scientists doing experiment together in lab
    Cropped unrecognizable woman hands holding a pregnancy test besides a window — Stock Photo
    Cropped unrecognizable woman hands holding a pregnancy test besides a window
    Side view of anonymous doctor in protective suit standing in ambulance car near opened door with equipment and examining patient with virus infection — Stock Photo
    Side view of anonymous doctor in protective suit standing in ambulance car near opened door with equipment and examining patient with virus infection