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    African American male doctor in medical glove demonstrating test tube with blood sample on white background — Stock Photo
    African American male doctor in medical glove demonstrating test tube with blood sample on white background
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Cookies under a wooden box trap — Stock Photo
    Cookies under a wooden box trap
    Crop medic analyzing data on digital monitor during cardiac stress test of male patient walking on treadmill — Stock Photo
    Crop medic analyzing data on digital monitor during cardiac stress test of male patient walking on treadmill
    Researchers hand mixing solution — Stock Photo
    Researchers hand mixing solution
    Ophthalmologist performing visual field testing at female patient. — Stock Photo
    Ophthalmologist performing visual field testing at female patient.
    Plant biotechnology and research — Stock Photo
    Plant biotechnology and research
    Close-up of empty and sterile phials in red plastic box. — Stock Photo
    Close-up of empty and sterile phials in red plastic box.
    Cropped view of male doctor holding peak flow meter. — Stock Photo
    Cropped view of male doctor holding peak flow meter.
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Lab assistant using multi pipette and multiwell. — Stock Photo
    Lab assistant using multi pipette and multiwell.
    Urine sample and diagnostic dipstick on surgical tray. — Stock Photo
    Urine sample and diagnostic dipstick on surgical tray.
    Woman in bathroom preparing soaking tub for bath in sunny bedroom — Stock Photo
    Woman in bathroom preparing soaking tub for bath in sunny bedroom
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis. — Stock Photo
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis.
    Scientist pouring reagents with pipette to flasks while experiment — Stock Photo
    Scientist pouring reagents with pipette to flasks while experiment
    College students conducting scientific experiment in science laboratory classroom — Stock Photo
    College students conducting scientific experiment in science laboratory classroom
    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.
    Dentist studying an x-ray before operating — Stock Photo
    Dentist studying an x-ray before operating
    Mid section of male scientist experimenting in laboratory — Stock Photo
    Mid section of male scientist experimenting in laboratory
    Team of scientists experimenting together in laboratory — Stock Photo
    Team of scientists experimenting together in laboratory
    Lab chemist placing paper filter for sample testing — Stock Photo
    Lab chemist placing paper filter for sample testing
    Measuring oxygen saturation in blood with pulse oximeter. — Stock Photo
    Measuring oxygen saturation in blood with pulse oximeter.
    School in Village of Himba tribe — Stock Photo
    School in Village of Himba tribe
    Gloved hand of laboratory assistant staking growth in petri dish, close-up. — Stock Photo
    Gloved hand of laboratory assistant staking growth in petri dish, close-up.
    Glass phials in laboratory rack, close-up. — Stock Photo
    Glass phials in laboratory rack, close-up.
    Unrecognizable pregnant female inspecting sonogram picture while lying on bed in ward of modern fertility clinic — Stock Photo
    Unrecognizable pregnant female inspecting sonogram picture while lying on bed in ward of modern fertility clinic
    Female scientist holding and analyzing human skull in ancient DNA laboratory. — Stock Photo
    Female scientist holding and analyzing human skull in ancient DNA laboratory.
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Female audiologist putting headphones on boy having hearing test. — Stock Photo
    Female audiologist putting headphones on boy having hearing test.
    Radiologist recording results of CT scanning. — Stock Photo
    Radiologist recording results of CT scanning.
    Cropped view of scientist holding sample for analytical testing. — Stock Photo
    Cropped view of scientist holding sample for analytical testing.
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    Woman sitting on sofa and looking down at pregnancy test. — Stock Photo
    Woman sitting on sofa and looking down at pregnancy test.
    Agronomy specialist taking soil sample for fertility analysis. — Stock Photo
    Agronomy specialist taking soil sample for fertility analysis.
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic — Stock Photo
    Side view of woman in medical uniform and mask using modern microscope to examine human cells while working in lab of modern clinic
    Doctor with oximeter examining little patient — Stock Photo
    Doctor with oximeter examining little patient
    Petri dishes and pipette, close-up. — Stock Photo
    Petri dishes and pipette, close-up.
    Liquid in bottles, test tubes and beakers in science laboratory classroom — Stock Photo
    Liquid in bottles, test tubes and beakers in science laboratory classroom
    Portrait of smiling university student standing in corridor, people in background looking at exam results — Stock Photo
    Portrait of smiling university student standing in corridor, people in background looking at exam results
    Woman biologist in white coat pouring liquid from test tube into labelled containers with soil. — Stock Photo
    Woman biologist in white coat pouring liquid from test tube into labelled containers with soil.
    Collage of a lot of blue protection masks over yellow background zenith view — Stock Photo
    Collage of a lot of blue protection masks over yellow background zenith view
    Team of scientists experimenting together in laboratory — Stock Photo
    Team of scientists experimenting together in laboratory
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Female ICU doctor checking patient medical record clipboard card form,first responder frontline key medical worker,emergency triage service during COVID-19 coronavirus pandemic crisis,outside hospital — Stock Photo
    Female ICU doctor checking patient medical record clipboard card form,first responder frontline key medical worker,emergency triage service during COVID-19 coronavirus pandemic crisis,outside hospital
    Blood samples ready for analysis — Stock Photo
    Blood samples ready for analysis
    Girl holding test tubes with chemicals — Stock Photo
    Girl holding test tubes with chemicals
    Eye examination of woman with slit lamp. — Stock Photo
    Eye examination of woman with slit lamp.
    Adult employee checking food quality in canteen — Stock Photo
    Adult employee checking food quality in canteen
    Crop anonymous vet doctor with syringe taking blood sample from cat during examination in veterinary clinic — Stock Photo
    Crop anonymous vet doctor with syringe taking blood sample from cat during examination in veterinary clinic
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Scientist pipetting sample into tube for analytical testing in laboratory. — Stock Photo
    Scientist pipetting sample into tube for analytical testing in laboratory.
    Side view of senior male patient sitting on chair in front of modern tonometer for measuring eye pressure in clinic with ophthalmologist — Stock Photo
    Side view of senior male patient sitting on chair in front of modern tonometer for measuring eye pressure in clinic with ophthalmologist
    Podiatrist making procedure with patient — Stock Photo
    Podiatrist making procedure with patient
    School in Grashoek village — Stock Photo
    School in Grashoek village
    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.
    Crop faceless laboratory specialist in latex gloves adjusting powerful microscope knob while working in modern lab — Stock Photo
    Crop faceless laboratory specialist in latex gloves adjusting powerful microscope knob while working in modern lab
    Portrait happy young woman holding learner permit next to car — Stock Photo
    Portrait happy young woman holding learner permit next to car
    Close-up of pipetting samples into Petri dishes. — Stock Photo
    Close-up of pipetting samples into Petri dishes.
    Teenage girl holding clipboard while practicing experiment in lab — Stock Photo
    Teenage girl holding clipboard while practicing experiment in lab
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.