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    Female scientist holding blood sample by microscope in laboratory. — Stock Photo
    Female scientist holding blood sample by microscope in laboratory.
    Test tubes rack with urine samples for analysis, studio shot. — Stock Photo
    Test tubes rack with urine samples for analysis, studio shot.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    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
    Cropped view of lab technician carrying cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cropped view of lab technician carrying cell-based testing kit in bioengineering laboratory.
    Top view of dead mouse in Petri dish. — Stock Photo
    Top view of dead mouse in Petri dish.
    Close-up of rack of sample tubes with blood for analysis. — Stock Photo
    Close-up of rack of sample tubes with blood for analysis.
    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.
    African american senior male doctor performing throat swab test on african american man at home. medical testing for prevention of coronavirus outbreak concept — Stock Photo
    African american senior male doctor performing throat swab test on african american man at home. medical testing for prevention of coronavirus outbreak concept
    Hand in latex glove holding peanuts — Stock Photo
    Hand in latex glove holding peanuts
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Scientist hand holding blood drop sample on microscope slide, studio shot. — Stock Photo
    Scientist hand holding blood drop sample on microscope slide, studio shot.
    Scientist hand holding blood drop sample on microscope slide, studio shot. — Stock Photo
    Scientist hand holding blood drop sample on microscope slide, studio shot.
    Ophthalmologist examining patient with slit lamp and magnifying lens. — Stock Photo
    Ophthalmologist examining patient with slit lamp and magnifying lens.
    Hand in latex glove holding raw meat — Stock Photo
    Hand in latex glove holding raw meat
    Blood samples in a multi well plate during a clinical trial. — Stock Photo
    Blood samples in a multi well plate during a clinical trial.
    Scientists holding multiwell plate with chemical solution for analytical testing in laboratory. — Stock Photo
    Scientists holding multiwell plate with chemical solution for analytical testing in laboratory.
    Lab chemist collecting a small amount of liquid with a dropper — Stock Photo
    Lab chemist collecting a small amount of liquid with a dropper
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Close-up view of medical sample with genetic test results. — Stock Photo
    Close-up view of medical sample with genetic test results.
    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Stool culture, colorful image — Stock Photo
    Stool culture, colorful image
    Close-up of hands of mature woman using paper strip to test blood glucose. — Stock Photo
    Close-up of hands of mature woman using paper strip to test blood glucose.
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    Female patient at eye examination in ophthalmology clinic. — Stock Photo
    Female patient at eye examination in ophthalmology clinic.
    Boy having hearing test in female audiologist office. — Stock Photo
    Boy having hearing test in female audiologist office.
    Female pediatrician performing allergy skin prick test on little boy with mother in immunologist office. — Stock Photo
    Female pediatrician performing allergy skin prick test on little boy with mother in immunologist office.
    Scientists preparing multiwell plate with blood samples for testing and analysis. — Stock Photo
    Scientists preparing multiwell plate with blood samples for testing and analysis.
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration. — Stock Photo
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration.
    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.
    Blood in human urine in sample pots, studio shot. — Stock Photo
    Blood in human urine in sample pots, studio shot.
    Preteen boy undergoing lung function test with female nurse. — Stock Photo
    Preteen boy undergoing lung function test with female nurse.
    Woman undergoing ophthalmology visual field testing with A-scan ultrasound biometry. — Stock Photo
    Woman undergoing ophthalmology visual field testing with A-scan ultrasound biometry.
    Machine for automated analysis of donated blood. — Stock Photo
    Machine for automated analysis of donated blood.
    Optician using phoropter for eye examination of woman. — Stock Photo
    Optician using phoropter for eye examination of woman.
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Female pediatrician performing allergy skin prick test on little boy with mother in immunologist office. — Stock Photo
    Female pediatrician performing allergy skin prick test on little boy with mother in immunologist office.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Mature woman testing blood pressure with machine. — Stock Photo
    Mature woman testing blood pressure with machine.
    Scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Scientist pipetting liquid into Eppendorf tubes.
    Female patient beside digital mammography unit — Stock Photo
    Female patient beside digital mammography unit
    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.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Hand in latex glove holding ear of wheat — Stock Photo
    Hand in latex glove holding ear of wheat
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background. — Stock Photo
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background.
    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.
    Close-up view of tubes with blood samples. — Stock Photo
    Close-up view of tubes with blood samples.
    Happy black woman in optometry cabinet during study of the eyesight — Stock Photo
    Happy black woman in optometry cabinet during study of the eyesight
    Close-up of tube and syringe in hematology laboratory with scientist in background. — Stock Photo
    Close-up of tube and syringe in hematology laboratory with scientist in background.
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic. — Stock Photo
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic.
    Scientist examining specimen under microscope during clinical trial in laboratory. — Stock Photo
    Scientist examining specimen under microscope during clinical trial in laboratory.
    Female patient at eye examination in ophthalmology clinic. — Stock Photo
    Female patient at eye examination in ophthalmology clinic.
    Patient undergoing applanation tonometry and eye pressure test in ophthalmology clinic. — Stock Photo
    Patient undergoing applanation tonometry and eye pressure test in ophthalmology clinic.
    Female scientist examining bacterial culture growing in petri dish. — Stock Photo
    Female scientist examining bacterial culture growing in petri dish.
    Nurse takes sample for covid-19 — Stock Photo
    Nurse takes sample for covid-19
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    Female immunologist performing skin prick allergy testing on preschooler boy. — Stock Photo
    Female immunologist performing skin prick allergy testing on preschooler boy.
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory