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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.
    Scientist checking a solution in conical flask at lab — Stock Photo
    Scientist checking a solution in conical flask at lab
    Female scientist holding blood sample by microscope in laboratory. — Stock Photo
    Female scientist holding blood sample by microscope in laboratory.
    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Dentist studying an x-ray before operating — Stock Photo
    Dentist studying an x-ray before operating
    Woman in a black swimsuit — Stock Photo
    Woman in a black swimsuit
    Close-up shot of surgeon in operating room at work — Stock Photo
    Close-up shot of surgeon in operating room at work
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Assorted disposable plastic pipette tips and sample tubes. — Stock Photo
    Assorted disposable plastic pipette tips and sample tubes.
    Portrait of smiling doctor standing in x-ray room at hospital — Stock Photo
    Portrait of smiling doctor standing in x-ray room at hospital
    Crop medic applying electrodes on chest of unrecognizable male patient in mask for ECG test — Stock Photo
    Crop medic applying electrodes on chest of unrecognizable male patient in mask for ECG test
    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
    Still life on the theme of protective masks against coronavirus in a trash can. Alternative fabric mask — Stock Photo
    Still life on the theme of protective masks against coronavirus in a trash can. Alternative fabric mask
    Close-up of doctor holding prepared antibodies syringe. — Stock Photo
    Close-up of doctor holding prepared antibodies syringe.
    The computers and tomographic scanner. Horizontal indoors shot. — Stock Photo
    The computers and tomographic scanner. Horizontal indoors shot.
    Doctor adjusting electroencephalography equipment on mature patient. — Stock Photo
    Doctor adjusting electroencephalography equipment on mature patient.
    Measuring oxygen levels in blood with pulse oximeter. — Stock Photo
    Measuring oxygen levels in blood with pulse oximeter.
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter. — Stock Photo
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter.
    Scientist viewing results of genetic test on digital tablet. — Stock Photo
    Scientist viewing results of genetic test on digital tablet.
    Female researcher studying DNA autoradiogram. — Stock Photo
    Female researcher studying DNA autoradiogram.
    Boy having eye test with special equipment. — Stock Photo
    Boy having eye test with special equipment.
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    Microbiologist taking bacterial sample on microscope slide. — Stock Photo
    Microbiologist taking bacterial sample on microscope slide.
    Genetic Test. Tube and swab for DNA collection from mouth. — Stock Photo
    Genetic Test. Tube and swab for DNA collection from mouth.
    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.
    Side view of a specialist using a digital multimeter to check the correct voltage of an electric scooter in a specialist workshop. — Stock Photo
    Side view of a specialist using a digital multimeter to check the correct voltage of an electric scooter in a specialist workshop.
    Laboratory technician analyzing blood samples in blood bank — Stock Photo
    Laboratory technician analyzing blood samples in blood bank
    Doctor with oximeter examining little patient — Stock Photo
    Doctor with oximeter examining little patient
    Urine sample and diagnostic dipstick on surgical tray. — Stock Photo
    Urine sample and diagnostic dipstick on surgical tray.
    Microbiologist taking bacterial sample on microscope slide. — Stock Photo
    Microbiologist taking bacterial sample on microscope slide.
    Bacterial colonies on agar plates — Stock Photo
    Bacterial colonies on agar plates
    Bioarcheology scientists analyzing human skull in DNA archaeology lab. — Stock Photo
    Bioarcheology scientists analyzing human skull in DNA archaeology lab.
    Rear view of doctor examining stomach of his patient — Stock Photo
    Rear view of doctor examining stomach of his patient
    Female scientist in clean suit with test tubes studying coronavirus — Stock Photo
    Female scientist in clean suit with test tubes studying coronavirus
    Microbiologist taking bacterial sample on microscope slide. — Stock Photo
    Microbiologist taking bacterial sample on microscope slide.
    Close-up view of plant seedling in test tube. — Stock Photo
    Close-up view of plant seedling in test tube.
    Woman sitting in a car with test drive — Stock Photo
    Woman sitting in a car with test drive
    Female scientist holding blood sample by microscope in laboratory. — Stock Photo
    Female scientist holding blood sample by microscope in laboratory.
    Female immunologist performing skin prick allergy testing on preschooler boy. — Stock Photo
    Female immunologist performing skin prick allergy testing on preschooler boy.
    View of students sitting at desks during test in classroom — Stock Photo
    View of students sitting at desks during test in classroom
    Forensic scientist examining paper evidence. — Stock Photo
    Forensic scientist examining paper evidence.
    Female doctor preparing to do a pcr test — Stock Photo
    Female doctor preparing to do a pcr test
    Optician testing a girl's eyes with optometry devices — Stock Photo
    Optician testing a girl's eyes with optometry devices
    School kids wearing protective mask to Protect Against Covid-19 with pens and notebooks writing test in Classroom,Education,Elementary school,Learning and people concept. — Stock Photo
    School kids wearing protective mask to Protect Against Covid-19 with pens and notebooks writing test in Classroom,Education,Elementary school,Learning and people concept.
    Optometrist holding lens in hand in clinic. — Stock Photo
    Optometrist holding lens in hand in clinic.
    Female patient receiving a ultrasound scan on the stomach in hospital — Stock Photo
    Female patient receiving a ultrasound scan on the stomach in hospital
    Crop anonymous doctor in medical glove demonstrating test tube with blood sample on white background — Stock Photo
    Crop anonymous doctor in medical glove demonstrating test tube with blood sample on white background
    Girl students conducting scientific experiment behind test tubes and bottles in laboratory classroom — Stock Photo
    Girl students conducting scientific experiment behind test tubes and bottles in laboratory classroom
    Female doctor wearing medical gloves taking swab test from female patient at home. medical and healthcare services home visiting during coronavirus covid 19 pandemic. — Stock Photo
    Female doctor wearing medical gloves taking swab test from female patient at home. medical and healthcare services home visiting during coronavirus covid 19 pandemic.
    Female patient at eye examination in ophthalmology clinic. — Stock Photo
    Female patient at eye examination in ophthalmology clinic.
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    Scientist arranging device on floor in laboratory. — Stock Photo
    Scientist arranging device on floor in laboratory.
    Young male and female researchers holding dropper and test tube in laboratory. — Stock Photo
    Young male and female researchers holding dropper and test tube in laboratory.
    Row of transparent flasks with pink liquid reflected in glass table in biological laboratory on daytime — Stock Photo
    Row of transparent flasks with pink liquid reflected in glass table in biological laboratory on daytime
    Sliced cucumber in test tube, studio shot. — Stock Photo
    Sliced cucumber in test tube, studio shot.
    School in Village of Himba tribe — Stock Photo
    School in Village of Himba tribe
    Test tubes and baby pacifiers on plain background. — Stock Photo
    Test tubes and baby pacifiers on plain background.
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab — Stock Photo
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.