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    Woman's hand holding a positive pregnancy test — Stock Photo
    Woman's hand holding a positive pregnancy test
    Mid section of man working at a microbrewery pub, wearing white apron, serving a pint of beer, holding it in front of him. — Stock Photo
    Mid section of man working at a microbrewery pub, wearing white apron, serving a pint of beer, holding it in front of him.
    Blood in human urine in sample pots, studio shot. — Stock Photo
    Blood in human urine in sample pots, studio shot.
    Man testing VR glasses on dark background — Stock Photo
    Man testing VR glasses on dark background
    Genetic Test. Tube and swab for DNA collection from mouth. — Stock Photo
    Genetic Test. Tube and swab for DNA collection from mouth.
    Electrician repairing switchbox in hospital. — Stock Photo
    Electrician repairing switchbox in hospital.
    Female Asian scientist examining plants in laboratory. — Stock Photo
    Female Asian scientist examining plants in laboratory.
    Computer programmers testing virtual reality simulator glasses in conference room meeting — Stock Photo
    Computer programmers testing virtual reality simulator glasses in conference room meeting
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Senior man using peak flow meter and looking in camera. — Stock Photo
    Senior man using peak flow meter and looking in camera.
    Side view of female worker working in glass factory — Stock Photo
    Side view of female worker working in glass factory
    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 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.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hiv 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.
    Researcher using a light microscope for studying tube containing blood sample. — Stock Photo
    Researcher using a light microscope for studying tube containing blood sample.
    Salesman standing next to car and reading brochure outside the showroom — Stock Photo
    Salesman standing next to car and reading brochure outside the showroom
    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.
    Forensic DNA autoradiogram — Stock Photo
    Forensic DNA autoradiogram
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption. — Stock Photo
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption.
    Chinese doctor testing senior man blood pressure — Stock Photo
    Chinese doctor testing senior man blood pressure
    Hands of immunologist performing skin prick allergy testing on boy. — Stock Photo
    Hands of immunologist performing skin prick allergy testing on boy.
    Caucasian man wearing high visibility vest, working in a microbrewery, holding a file and writing data while checking bottles of beer prepared for delivery.. — Stock Photo
    Caucasian man wearing high visibility vest, working in a microbrewery, holding a file and writing data while checking bottles of beer prepared for delivery..
    Hands of scientist using pipette and petri dish — Stock Photo
    Hands of scientist using pipette and petri dish
    Doctor using a glucometer to take a blood glucose reading from a patient. — Stock Photo
    Doctor using a glucometer to take a blood glucose reading from a patient.
    Police evidence including finger print, DNA swab and results. — Stock Photo
    Police evidence including finger print, DNA swab and results.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Metal door to clean room — Stock Photo
    Metal door to clean room
    Water treatment plant ultraviolet ionization treatment room — Stock Photo
    Water treatment plant ultraviolet ionization treatment room
    Woman examining perfume in drugstore — Stock Photo
    Woman examining perfume in drugstore
    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.
    Female worker using digital tablet in egg factory — Stock Photo
    Female worker using digital tablet in egg factory
    Male worker examining glass product in glass factory — Stock Photo
    Male worker examining glass product in glass factory
    Doctor reading the results of blood test while holding blood sample. — Stock Photo
    Doctor reading the results of blood test while holding blood sample.
    Female hands testing blood sample — Stock Photo
    Female hands testing blood sample
    Female biologist in white coat pouring water into test tube with dissolved samples of soil in laboratory. — Stock Photo
    Female biologist in white coat pouring water into test tube with dissolved samples of soil in laboratory.
    Variety of potential drugs in pharmaceutical vials and test tubes. — Stock Photo
    Variety of potential drugs in pharmaceutical vials and test tubes.
    Portrait of a Caucasian man wearing high visibility vest, working in a microbrewery, leaning on bottles ready for delivery and looking straight into a camera. — Stock Photo
    Portrait of a Caucasian man wearing high visibility vest, working in a microbrewery, leaning on bottles ready for delivery and looking straight into a camera.
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Skillful caucasian plumber working on bathroom sink — Stock Photo
    Skillful caucasian plumber working on bathroom sink
    Cropped image of Female worker examining egg on digital egg monitor in egg factory — Stock Photo
    Cropped image of Female worker examining egg on digital egg monitor in egg factory
    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.
    A pint glass of real ale with a head of foam sitting on the wooden bar at a microbrewery pub. — Stock Photo
    A pint glass of real ale with a head of foam sitting on the wooden bar at a microbrewery pub.
    Test tubes with urine samples for analysis on white background, studio shot. — Stock Photo
    Test tubes with urine samples for analysis on white background, studio shot.
    Test tubes and baby pacifiers on plain background. — Stock Photo
    Test tubes and baby pacifiers on plain background.
    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.
    Mid section of men tasting beers and toasting a microbrewery pub. — Stock Photo
    Mid section of men tasting beers and toasting a microbrewery pub.
    Side view of male worker working in glass factory — Stock Photo
    Side view of male worker working in glass factory
    Cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cell-based testing kit in bioengineering laboratory.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Caucasian man with long hair tasting beer in a microbrewery pub with an African American man sitting by a table in the background. — Stock Photo
    Caucasian man with long hair tasting beer in a microbrewery pub with an African American man sitting by a table in the background.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Forensic evidence collection with knife for DNA forensic test. — Stock Photo
    Forensic evidence collection with knife for DNA forensic test.
    Vials with red and blue liquids. — Stock Photo
    Vials with red and blue liquids.
    Attentive worker glass checking product in glass factory — Stock Photo
    Attentive worker glass checking product in glass factory
    Scientists preparing multiwell plate with blood samples for testing and analysis. — Stock Photo
    Scientists preparing multiwell plate with blood samples for testing and analysis.
    Microbiologist taking bacterial sample on microscope slide. — Stock Photo
    Microbiologist taking bacterial sample on microscope slide.
    Hand in latex glove holding ear of wheat — Stock Photo
    Hand in latex glove holding ear of wheat
    DNA testing using saliva sample. — Stock Photo
    DNA testing using saliva sample.