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    Boy coloring shapes with colorful pens for developmental psychology test in psychologist office. — Stock Photo
    Boy coloring shapes with colorful pens for developmental psychology test in psychologist office.
    Urine sample container on toilet in bathroom, studio shot. — Stock Photo
    Urine sample container on toilet in bathroom, studio shot.
    Scientist in clean suit researching coronavirus in laboratory — Stock Photo
    Scientist in clean suit researching coronavirus in laboratory
    Woman doing finger prick test — Stock Photo
    Woman doing finger prick test
    Elementary age boy in ophthalmology glasses reading visual chart while visual acuity test. — Stock Photo
    Elementary age boy in ophthalmology glasses reading visual chart while visual acuity test.
    Male patient receiving a ultrasound scan on the chest — Stock Photo
    Male patient receiving a ultrasound scan on the chest
    PCR tubes with orange and purple samples on black background. — Stock Photo
    PCR tubes with orange and purple samples on black background.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    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
    Urine sample for analysis and test strip with chart, studio shot. — Stock Photo
    Urine sample for analysis and test strip with chart, 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.
    Cropped shot of doctor working with electric dropper — Stock Photo
    Cropped shot of doctor working with electric dropper
    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.
    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 holding samples in multi well plate during experiment in laboratory. — Stock Photo
    Scientist holding samples in multi well plate during experiment in laboratory.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Senior woman undergoing an x-ray test in hospital — Stock Photo
    Senior woman undergoing an x-ray test in hospital
    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.
    Senior man with diabetes using blood glucose meter on finger — Stock Photo
    Senior man with diabetes using blood glucose meter on finger
    Close-up of syringes for allergy patch test. — Stock Photo
    Close-up of syringes for allergy patch test.
    Organ-on-a-chip. This is a microfluidic device that simulates biological organs. — Stock Photo
    Organ-on-a-chip. This is a microfluidic device that simulates biological organs.
    Portrait of senior woman undergoing an x-ray test in hospital — Stock Photo
    Portrait of senior woman undergoing an x-ray test in hospital
    Closeup view of empty laboratory beakers — Stock Photo
    Closeup view of empty laboratory beakers
    Variety of potential drugs in pharmaceutical vials and test tubes. — Stock Photo
    Variety of potential drugs in pharmaceutical vials and test tubes.
    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
    Optometry devices closeup view — Stock Photo
    Optometry devices closeup view
    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
    Doctor giving young girl finger prick test. — Stock Photo
    Doctor giving young girl finger prick test.
    Laboratory technician analyzing blood samples in blood bank — Stock Photo
    Laboratory technician analyzing blood samples in blood bank
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial — Stock Photo
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial
    Female doctor performing skin prick allergy testing on boy for possible allergen. — Stock Photo
    Female doctor performing skin prick allergy testing on boy for possible allergen.
    DNA strand in test tube, digital illustration. — Stock Photo
    DNA strand in test tube, digital illustration.
    Senior woman doing wrist joint physical therapy with conductive TENS (transcutaneous electrical nerve stimulation) electrode cuff. — Stock Photo
    Senior woman doing wrist joint physical therapy with conductive TENS (transcutaneous electrical nerve stimulation) electrode cuff.
    Top view of mosaic or pattern of positive blood tests and syringe over blue background. — Stock Photo
    Top view of mosaic or pattern of positive blood tests and syringe over blue background.
    Asian female doctor wearing face mask and taking swab test from female patient at home. healthcare and medical physiotherapy treatment. — Stock Photo
    Asian female doctor wearing face mask and taking swab test from female patient at home. healthcare and medical physiotherapy treatment.
    Spirometry. Using digital spirometer with smart phone app, testing lungs. — Stock Photo
    Spirometry. Using digital spirometer with smart phone app, testing lungs.
    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.
    Medical worker gloved hands holding test stick in urine sample tube. — Stock Photo
    Medical worker gloved hands holding test stick in urine sample tube.
    Cropped doctor's hand holding coronavirus vaccine in flask near syringe with needle and negative blood test on blue background — Stock Photo
    Cropped doctor's hand holding coronavirus vaccine in flask near syringe with needle and negative blood test on blue background
    Scientist checking a solution in test tube in lab — Stock Photo
    Scientist checking a solution in test tube 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.
    Senior woman undergoing an x-ray test in hospital — Stock Photo
    Senior woman undergoing an x-ray test in hospital
    Radiographers taking computed tomography scan of patient. — Stock Photo
    Radiographers taking computed tomography scan of patient.
    Doctor wearing on woman eyesight testing spectacles. — Stock Photo
    Doctor wearing on woman eyesight testing spectacles.
    Doctor with oximeter examining little patient — Stock Photo
    Doctor with oximeter examining little patient
    Male doctor examining patient in hospital — Stock Photo
    Male doctor examining patient in hospital
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Crop anonymous vet doctor with syringe taking blood sample from cat during examination in veterinary clinic — Stock Photo
    Crop anonymous vet doctor with syringe taking blood sample from cat during examination in veterinary clinic
    Scientist checking a solution in conical flask at lab — Stock Photo
    Scientist checking a solution in conical flask at lab
    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
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Close-up shot of group of surgeons operating in hospital — Stock Photo
    Close-up shot of group of surgeons operating in hospital
    Petri dishes and pipette, close-up. — Stock Photo
    Petri dishes and pipette, close-up.
    Female scientist opening lid of machine in lab — Stock Photo
    Female scientist opening lid of machine in lab
    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
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Back view of anonymous group of professional doctors in protective suits transporting patient with virus infection to hospital — Stock Photo
    Back view of anonymous group of professional doctors in protective suits transporting patient with virus infection to hospital