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    Transparent cervical smear instrument, studio shot. — Stock Photo
    Transparent cervical smear instrument, studio shot.
    Man standing thigh deep in sea — Stock Photo
    Man standing thigh deep in sea
    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.
    Monitoring respiratory illness with digital spirometer. — Stock Photo
    Monitoring respiratory illness with digital spirometer.
    Female doctor analyzing a CRP test of a senior patient — Stock Photo
    Female doctor analyzing a CRP test of a senior patient
    Police evidence including finger print, DNA swab and results. — Stock Photo
    Police evidence including finger print, DNA swab and results.
    Portrait of senior woman undergoing an x-ray test in hospital — Stock Photo
    Portrait of senior woman undergoing an x-ray test in hospital
    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman
    Close-up of pipetting sample into multiwell plate for analysis in laboratory. — Stock Photo
    Close-up of pipetting sample into multiwell plate for analysis in laboratory.
    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
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman
    Close-up of doctor holding cardio monitor — Stock Photo
    Close-up of doctor holding cardio monitor
    Cropped image of scientists providing research with scales in laboratory. — Stock Photo
    Cropped image of scientists providing research with scales in laboratory.
    Female chemist setting up equipment in laboratory. — Stock Photo
    Female chemist setting up equipment in laboratory.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Pregnant female inspecting sonogram picture while lying on bed in ward of modern fertility clinic — Stock Photo
    Pregnant female inspecting sonogram picture while lying on bed in ward of modern fertility clinic
    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.
    Dry marihuana flower buds in moisture measuring device with heating lamp during analysis in laboratory — Stock Photo
    Dry marihuana flower buds in moisture measuring device with heating lamp during analysis in laboratory
    Close-up of a man's hand with a protective mask and a computer monitor. — Stock Photo
    Close-up of a man's hand with a protective mask and a computer monitor.
    Middle-aged woman on an open MRI machine waiting for the test to begin — Stock Photo
    Middle-aged woman on an open MRI machine waiting for the test to begin
    Researchers hand mixing solution — Stock Photo
    Researchers hand mixing solution
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Scientist checking a solution in conical flask at lab — Stock Photo
    Scientist checking a solution in conical flask at lab
    Ophthalmologist examining female patient with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining female patient with slit lamp in clinic.
    Cropped unrecognizable doctor's hand showing and making with pen a negative blood test of Coronavirus against a pink background — Stock Photo
    Cropped unrecognizable doctor's hand showing and making with pen a negative blood test of Coronavirus against a pink background
    Water department technician opening fire hydrant to flush water pipes — Stock Photo
    Water department technician opening fire hydrant to flush water pipes
    Woman sitting on sofa and looking down at pregnancy test. — Stock Photo
    Woman sitting on sofa and looking down at pregnancy test.
    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.
    Young asian college students studying together against campus — Stock Photo
    Young asian college students studying together against campus
    Patient undergoing applanation tonometry and eye pressure test in ophthalmology clinic. — Stock Photo
    Patient undergoing applanation tonometry and eye pressure test in ophthalmology clinic.
    Quartz cuvettes containing red liquid. — Stock Photo
    Quartz cuvettes containing red liquid.
    Female scientist pouring dissolved soil sample into chemistry beaker. — Stock Photo
    Female scientist pouring dissolved soil sample into chemistry beaker.
    Anonymous African American professional doctor in medical gloves demonstrating vaccine online in video call in soft focus — Stock Photo
    Anonymous African American professional doctor in medical gloves demonstrating vaccine online in video call in soft focus
    Raw, light, medium and dark roast coffee beans in test tubes. — Stock Photo
    Raw, light, medium and dark roast coffee beans in test tubes.
    Close-up of intensive care ward. — Stock Photo
    Close-up of intensive care ward.
    Hands of doctor performing allergy skin prick test on little boy arm. — Stock Photo
    Hands of doctor performing allergy skin prick test on little boy arm.
    Female doctor putting headphones on boy having hearing test. — Stock Photo
    Female doctor putting headphones on boy having hearing test.
    Sliced salmon in test tube, studio shot. — Stock Photo
    Sliced salmon in test tube, studio shot.
    Scientist using a machine for experiment in lab — Stock Photo
    Scientist using a machine for experiment in lab
    Scientist hands holding urine sample in container and chart, studio shot. — Stock Photo
    Scientist hands holding urine sample in container and chart, studio shot.
    Dentist looking at dental x-ray plate in clinic — Stock Photo
    Dentist looking at dental x-ray plate in clinic
    Lab technician removing sample vial cap — Stock Photo
    Lab technician removing sample vial cap
    Cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cell-based testing kit in bioengineering laboratory.
    Different chemicals in lab — Stock Photo
    Different chemicals in lab
    Asian girl with mother having eye test in clinic. — Stock Photo
    Asian girl with mother having eye test in clinic.
    Water department technician coiling hose used to flush hydrant — Stock Photo
    Water department technician coiling hose used to flush hydrant
    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
    Smiling male science teacher helping girl students conducting scientific experiment at microscope in laboratory — Stock Photo
    Smiling male science teacher helping girl students conducting scientific experiment at microscope in laboratory
    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 person holding petri dish for microbiology research. — Stock Photo
    Close-up of person holding petri dish for microbiology research.
    Adult employee checking food quality in canteen — Stock Photo
    Adult employee checking food quality in canteen
    Bacterial colonies on agar plate. — Stock Photo
    Bacterial colonies on agar plate.
    Elder man checking his arterial pressure with machine — Stock Photo
    Elder man checking his arterial pressure with machine
    Preteen boy undergoing lung function test with female nurse. — Stock Photo
    Preteen boy undergoing lung function test with female nurse.
    DNA test result on microcentrifuge tube with DNA sample in scientist hand. — Stock Photo
    DNA test result on microcentrifuge tube with DNA sample in scientist hand.
    Adipose tissue composed of adipocytes — Stock Photo
    Adipose tissue composed of adipocytes
    Mature blonde woman undergoing electroencephalography monitoring. — Stock Photo
    Mature blonde woman undergoing electroencephalography monitoring.
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining pregnant woman and looking at computer screen in hospital — Stock Photo
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining pregnant woman and looking at computer screen in hospital
    Close-up shot of surgeon in operating room at work — Stock Photo
    Close-up shot of surgeon in operating room at work