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    Boy coloring shapes with colorful pens for developmental psychology test in female doctor office. — Stock Photo
    Boy coloring shapes with colorful pens for developmental psychology test in female doctor office.
    Light microscope with petri dishes on blue background. — Stock Photo
    Light microscope with petri dishes on blue background.
    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.
    Man and older lady walking dog on sidewalk of suburban neighborhood. — Stock Photo
    Man and older lady walking dog on sidewalk of suburban neighborhood.
    Close-up of petri dishes and dropping pipette for genetic research. — Stock Photo
    Close-up of petri dishes and dropping pipette for genetic research.
    Preschooler boy undergoing logic cards test for developmental psychology test in female psychologist office. — Stock Photo
    Preschooler boy undergoing logic cards test for developmental psychology test in female psychologist office.
    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.
    Mother helping son test blood sugar — Stock Photo
    Mother helping son test blood sugar
    Pill in Petri dish on gray background. — Stock Photo
    Pill in Petri dish on gray background.
    Hand in latex glove holding peanut — Stock Photo
    Hand in latex glove holding peanut
    Blood samples for testing in microcentrifuge tubes. — Stock Photo
    Blood samples for testing in microcentrifuge tubes.
    Patient undergoing applanation tonometry and eye pressure test in ophthalmology clinic. — Stock Photo
    Patient undergoing applanation tonometry and eye pressure test in ophthalmology clinic.
    Senior man using incentive speedometer with tube. — Stock Photo
    Senior man using incentive speedometer with tube.
    Pile of filled medical tesing tubes — Stock Photo
    Pile of filled medical tesing tubes
    Preteen boy undergoing lung function test with female nurse. — Stock Photo
    Preteen boy undergoing lung function test with female nurse.
    Doctor using a lance to take a finger prick blood sample from a patient. — Stock Photo
    Doctor using a lance to take a finger prick blood sample from a patient.
    Elementary age boy in ophthalmology glasses while eye examination in clinic. — Stock Photo
    Elementary age boy in ophthalmology glasses while eye examination in clinic.
    Optician using slit lamp for eye examination preteen girl. — Stock Photo
    Optician using slit lamp for eye examination preteen girl.
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory.
    Back view of woman during medical diagnosis of breast in modern clinic — Stock Photo
    Back view of woman during medical diagnosis of breast in modern clinic
    Top view of dead mouse in Petri dish. — Stock Photo
    Top view of dead mouse in Petri dish.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Patient undergoing skin prick test in allergy clinic. — Stock Photo
    Patient undergoing skin prick test in allergy clinic.
    Preschooler boy coloring shapes with colorful pens for developmental psychology test in psychologist office. — Stock Photo
    Preschooler boy coloring shapes with colorful pens for developmental psychology test in psychologist office.
    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.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Female scientist using pipette in laboratory — Stock Photo
    Female scientist using pipette in laboratory
    Close-up of sample tubes with medical samples. — Stock Photo
    Close-up of sample tubes with medical samples.
    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.
    Preteen boy undergoing lung function test with female nurse. — Stock Photo
    Preteen boy undergoing lung function test with female nurse.
    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Female hands feeling forehead of baby for measuring temperature. — Stock Photo
    Female hands feeling forehead of baby for measuring temperature.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    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.
    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.
    Lab chemist placing paper filter for sample testing — Stock Photo
    Lab chemist placing paper filter for sample testing
    Genetic research tube containing DNA sample with DNA profile in background. — Stock Photo
    Genetic research tube containing DNA sample with DNA profile in background.
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Scientists preparing multiwell plate with blood samples for testing and analysis. — Stock Photo
    Scientists preparing multiwell plate with blood samples for testing and analysis.
    Person in latex glove holding test tube with ear of wheat — Stock Photo
    Person in latex glove holding test tube with ear of wheat
    Patient undergoing patch test in allergy clinic. — Stock Photo
    Patient undergoing patch test in allergy clinic.
    Doctors practicing tracheal intubation on infant training dummies. — Stock Photo
    Doctors practicing tracheal intubation on infant training dummies.
    Police evidence including finger print, DNA swab and results. — Stock Photo
    Police evidence including finger print, DNA swab and results.
    Lab chemist capturing a digital image of a sample slide on a microscope — Stock Photo
    Lab chemist capturing a digital image of a sample slide on a microscope
    Close-up of female hand using pen-like lancing device for prick test. — Stock Photo
    Close-up of female hand using pen-like lancing device for prick test.
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Doctor giving young girl finger prick test. — Stock Photo
    Doctor giving young girl finger prick test.
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Close-up of containers for blood group test. — Stock Photo
    Close-up of containers for blood group test.
    Cropped view of overweight man using peak flow meter. — Stock Photo
    Cropped view of overweight man using peak flow meter.
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Mature doctor testing heart of male athlete on treadmill. — Stock Photo
    Mature doctor testing heart of male athlete on treadmill.
    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.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Female scientist pipetting sample into microcentrifuge tubes ready for automated analysis while biotechnology research. — Stock Photo
    Female scientist pipetting sample into microcentrifuge tubes ready for automated analysis while biotechnology research.
    Patient undergoing skin prick test in allergy clinic. — Stock Photo
    Patient undergoing skin prick test in allergy clinic.
    Man and older lady walking dog on sidewalk of suburban neighborhood. — Stock Photo
    Man and older lady walking dog on sidewalk of suburban neighborhood.
    Urine sample for analysis and test strip with chart, studio shot. — Stock Photo
    Urine sample for analysis and test strip with chart, studio shot.
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic. — Stock Photo
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic.