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    Urine sample in tube on surgical tray. — Stock Photo
    Urine sample in tube on surgical tray.
    Close-up of vital signs of patient on monitor in intensive care ward. — Stock Photo
    Close-up of vital signs of patient on monitor in intensive care ward.
    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.
    Syringe with spilled blood on white background. — Stock Photo
    Syringe with spilled blood on white background.
    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
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Test tubes, computer illustration — Stock Photo
    Test tubes, computer illustration
    Scientist analyzing a sample at lab — Stock Photo
    Scientist analyzing a sample at lab
    Petri dishes with blood agar stacked on blue background. — Stock Photo
    Petri dishes with blood agar stacked on blue background.
    Cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cell-based testing kit in bioengineering laboratory.
    Doctor adjusting electroencephalography equipment on mature patient. — Stock Photo
    Doctor adjusting electroencephalography equipment on mature patient.
    Back view of unrecognizable African male medics in protective uniforms taking PCR test sample from anonymous travelers in red cabins in countryside — Stock Photo
    Back view of unrecognizable African male medics in protective uniforms taking PCR test sample from anonymous travelers in red cabins in countryside
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Plant seedling in soil in Petri dish in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish in laboratory.
    Close-up of stethoscope alongside blood sample in test tube, syringe and medical vial in a clinic. — Stock Photo
    Close-up of stethoscope alongside blood sample in test tube, syringe and medical vial in a clinic.
    Female scientist holding microscope slide with blood sample. — Stock Photo
    Female scientist holding microscope slide with blood sample.
    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
    Optician using slit lamp for eye examination preteen girl. — Stock Photo
    Optician using slit lamp for eye examination preteen girl.
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Boy rejecting dental treatment in dental clinic. — Stock Photo
    Boy rejecting dental treatment in dental clinic.
    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
    African American male in uniform with stethoscope showing blurred vaccine in hand in hospital — Stock Photo
    African American male in uniform with stethoscope showing blurred vaccine in hand in hospital
    Pool of blood in watch glass with syringe. — Stock Photo
    Pool of blood in watch glass with syringe.
    Close up of a hand holding a stopwatch — Stock Photo
    Close up of a hand holding a stopwatch
    Female doctor preparing doses of vaccine against covid19 — Stock Photo
    Female doctor preparing doses of vaccine against covid19
    Blood samples in PCR tubes. — Stock Photo
    Blood samples in PCR tubes.
    Glass tube with blood sample of patient placed near syringe on table in vet clinic laboratory — Stock Photo
    Glass tube with blood sample of patient placed near syringe on table in vet clinic laboratory
    Optician using phoropter for eye examination of woman. — Stock Photo
    Optician using phoropter for eye examination of woman.
    Elementary age boy in ophthalmology glasses while eye examination in clinic. — Stock Photo
    Elementary age boy in ophthalmology glasses while eye examination in clinic.
    Cropped view of scientist holding sample for analytical testing. — Stock Photo
    Cropped view of scientist holding sample for analytical testing.
    Female patient going through x-ray test in hospital — Stock Photo
    Female patient going through x-ray test in hospital
    Dentist looking at dental x-ray plate in front of patient at clinic — Stock Photo
    Dentist looking at dental x-ray plate in front of patient at clinic
    Scientist examining specimen under microscope during clinical trial in laboratory. — Stock Photo
    Scientist examining specimen under microscope during clinical trial in laboratory.
    Close-up of pipette pipetting into test tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into test tubes in pathogenic laboratory.
    Tube with blood sample on metal tray in laboratory, close-up. — Stock Photo
    Tube with blood sample on metal tray in laboratory, close-up.
    View of ultrasound scanner with pregnant woman begin exterminate in modern hospital — Stock Photo
    View of ultrasound scanner with pregnant woman begin exterminate in modern hospital
    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
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Scientist pouring chemical solution on test tube from bottle in lab — Stock Photo
    Scientist pouring chemical solution on test tube from bottle in lab
    Close-up view of medical syringes with blood sample. — Stock Photo
    Close-up view of medical syringes with blood sample.
    Optician adjusting trial frame for eye examination preteen girl. — Stock Photo
    Optician adjusting trial frame for eye examination preteen girl.
    Close-up of human blood and various hematology samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hematology samples in test tubes while screening in medical lab.
    Doctor giving young girl finger prick test. — Stock Photo
    Doctor giving young girl finger prick test.
    Elementary age boy in ophthalmology glasses while eye examination in clinic. — Stock Photo
    Elementary age boy in ophthalmology glasses while eye examination in clinic.
    Scientist putting on protective mask in laboratory. — Stock Photo
    Scientist putting on protective mask in laboratory.
    Hand holding a multiwell tray containing blood samples. — Stock Photo
    Hand holding a multiwell tray containing blood samples.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Closeup anonymous doctor with syringe and tube with blood sample of patient for diagnostics research in veterinary clinic lab — Stock Photo
    Closeup anonymous doctor with syringe and tube with blood sample of patient for diagnostics research in veterinary clinic lab
    Concentrated young black male doctor in medical uniform and mask showing test tube with blood sample to attentive boy with earbuds patient during video call — Stock Photo
    Concentrated young black male doctor in medical uniform and mask showing test tube with blood sample to attentive boy with earbuds patient during video call
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Female doctor testing urine with stick, close-up. — Stock Photo
    Female doctor testing urine with stick, close-up.
    Scientific laboratory researcher using test tube and microscope. — Stock Photo
    Scientific laboratory researcher using test tube and microscope.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Radiographers taking computed tomography scan of patient. — Stock Photo
    Radiographers taking computed tomography scan of patient.
    Crop ophthalmologist putting on eye test glasses on face of elderly patient for vision diagnostics in clinic — Stock Photo
    Crop ophthalmologist putting on eye test glasses on face of elderly patient for vision diagnostics in clinic
    Optician adjusting trial frame for eye examination preteen girl. — Stock Photo
    Optician adjusting trial frame for eye examination preteen girl.
    Lab chemist preparing automated water test — Stock Photo
    Lab chemist preparing automated water test
    Scientist holding petri dish with biohazard warning in microbiology lab. — Stock Photo
    Scientist holding petri dish with biohazard warning in microbiology lab.
    Senior woman undergoing an x-ray test in hospital — Stock Photo
    Senior woman undergoing an x-ray test in hospital
    Tube with blood sample on metal tray in laboratory, close-up. — Stock Photo
    Tube with blood sample on metal tray in laboratory, close-up.