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    Insects in test tubes: crickets, mealworms, grasshoppers, and buffalo worms — Stock Photo
    Insects in test tubes: crickets, mealworms, grasshoppers, and buffalo worms
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Learning, education and school concept. Young woman and man studying for a test or an exam. Tutor books with friends. Young students campus helps friend catching up and learning. — Stock Photo
    Learning, education and school concept. Young woman and man studying for a test or an exam. Tutor books with friends. Young students campus helps friend catching up and learning.
    Hand holding bottle of medicines with white background — Stock Photo
    Hand holding bottle of medicines with white background
    Close-up of scientist pipetting sample into eppendorf tube during experiment in laboratory. — Stock Photo
    Close-up of scientist pipetting sample into eppendorf tube during experiment in laboratory.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Ophthalmologist examining a womans eyes with a phoropter — Stock Photo
    Ophthalmologist examining a womans eyes with a phoropter
    Scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Scientist pipetting liquid into Eppendorf tubes.
    Laboratory technician using refrigerated centrifuge machine in blood bank — Stock Photo
    Laboratory technician using refrigerated centrifuge machine in blood bank
    Female patient receiving a ultrasound scan on the stomach in hospital — Stock Photo
    Female patient receiving a ultrasound scan on the stomach in hospital
    Close-up shot of doctor performing puncture with needle and laser cross on body of woman — Stock Photo
    Close-up shot of doctor performing puncture with needle and laser cross on body of woman
    Female chemist setting up vacuum pump in laboratory, close-up — Stock Photo
    Female chemist setting up vacuum pump in laboratory, close-up
    Scientist holding petri dish and swab. — Stock Photo
    Scientist holding petri dish and swab.
    Back view of unrecognizable female doctor looking through modern microscope while at sample while working in modern clinic — Stock Photo
    Back view of unrecognizable female doctor looking through modern microscope while at sample while working in modern clinic
    Ophthalmologist helping boy wearing glasses while eye examination in clinic. — Stock Photo
    Ophthalmologist helping boy wearing glasses while eye examination in clinic.
    Portable digital spirometer, blowing test for lungs, forced expiratory volume and peak expiratory flow rate. — Stock Photo
    Portable digital spirometer, blowing test for lungs, forced expiratory volume and peak expiratory flow rate.
    Scientist looking at test tubes in lab — Stock Photo
    Scientist looking at test tubes in lab
    Laboratory technician using digital tablet in blood bank — Stock Photo
    Laboratory technician using digital tablet in blood bank
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial — Stock Photo
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    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.
    Boy rejecting dental treatment in dental clinic. — Stock Photo
    Boy rejecting dental treatment in dental clinic.
    From above of crop unrecognizable medic in uniform preparing patient with tourniquet for intravenous procedure in hospital — Stock Photo
    From above of crop unrecognizable medic in uniform preparing patient with tourniquet for intravenous procedure in hospital
    Male patient receiving a ultrasound scan on the chest — Stock Photo
    Male patient receiving a ultrasound scan on the chest
    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.
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Close-up of pipetting colorful liquids into test tubes. — Stock Photo
    Close-up of pipetting colorful liquids into test tubes.
    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.
    Side view of pensive adult woman in white coat with papers using digital device for conducting food quality test in canteen — Stock Photo
    Side view of pensive adult woman in white coat with papers using digital device for conducting food quality test in canteen
    Optometrist examining patient eyes with slit lamp in clinic — Stock Photo
    Optometrist examining patient eyes with slit lamp in clinic
    Genetic research tube containing DNA sample with DNA profile in background. — Stock Photo
    Genetic research tube containing DNA sample with DNA profile in background.
    Cropped image of Water department technician shutting fire hydrant to flush water pipes — Stock Photo
    Cropped image of Water department technician shutting fire hydrant to flush water pipes
    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.
    Empty and sterile phials in red plastic box. — Stock Photo
    Empty and sterile phials in red plastic box.
    Nurse holding pregnancy urinalysis test results. — Stock Photo
    Nurse holding pregnancy urinalysis test results.
    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.
    Pulse oximeter, blood oxygen saturation monitor. — Stock Photo
    Pulse oximeter, blood oxygen saturation monitor.
    Crop unrecognizable optician using phoropter for eyesight testing of senior male patient in clinic — Stock Photo
    Crop unrecognizable optician using phoropter for eyesight testing of senior male patient in clinic
    Female scientists talking in laboratory — Stock Photo
    Female scientists talking in laboratory
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    University student doing experiment on microscope in laboratory at college — Stock Photo
    University student doing experiment on microscope in laboratory at college
    Forensic evidence collection with knife for DNA forensic test. — Stock Photo
    Forensic evidence collection with knife for DNA forensic test.
    Protection against coronavirus. Alternative fabric mask. Man with different type of masks. — Stock Photo
    Protection against coronavirus. Alternative fabric mask. Man with different type of masks.
    Chemist setting up vacuum pump in pharmaceutical laboratory. — Stock Photo
    Chemist setting up vacuum pump in pharmaceutical laboratory.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Bacterial colonies on agar plates — Stock Photo
    Bacterial colonies on agar plates
    Scientist pipetting sample in microcentrifuge tube for chemical analysis. — Stock Photo
    Scientist pipetting sample in microcentrifuge tube for chemical analysis.
    Blood in human urine in sample pots, studio shot. — Stock Photo
    Blood in human urine in sample pots, studio shot.
    Professional home care assistant in protective uniform and mask examining senior woman and checking blood pressure while visiting patient at home during coronavirus outbreak — Stock Photo
    Professional home care assistant in protective uniform and mask examining senior woman and checking blood pressure while visiting patient at home during coronavirus outbreak
    Scientist working looking at bottle in laboratory storage — Stock Photo
    Scientist working looking at bottle in laboratory storage
    Close-up of optometrist examining patient eyes with eye test equipment in clinic — Stock Photo
    Close-up of optometrist examining patient eyes with eye test equipment in clinic
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Pile of filled medical tesing tubes — Stock Photo
    Pile of filled medical tesing tubes
    Sliced tomato in test tube, studio shot. — Stock Photo
    Sliced tomato in test tube, studio shot.
    Young sad female caucasian UK US NHS EMS doctor carer looking through — Stock Photo
    Young sad female caucasian UK US NHS EMS doctor carer looking through
    Test tubes, computer illustration — Stock Photo
    Test tubes, computer illustration
    Senior woman undergoing an x-ray test in hospital — Stock Photo
    Senior woman undergoing an x-ray test in hospital
    Top view of crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood — Stock Photo
    Top view of crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood
    Measuring oxygen levels in blood with pulse oximeter. — Stock Photo
    Measuring oxygen levels in blood with pulse oximeter.
    Close-up shot of surgeon in operating room at work — Stock Photo
    Close-up shot of surgeon in operating room at work