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    Tubes for biological test in rack on blue background. — Stock Photo
    Tubes for biological test in rack on blue background.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Labelled test tubes with blood samples. — Stock Photo
    Labelled test tubes with blood samples.
    Cropped view of scientist holding sample for analytical testing. — Stock Photo
    Cropped view of scientist holding sample for analytical testing.
    Female doctor testing urine with stick, close-up. — Stock Photo
    Female doctor testing urine with stick, close-up.
    Close-up of male scientist pipetting into test tubes. — Stock Photo
    Close-up of male scientist pipetting into test tubes.
    Female doctor teaching diabetic senior patient how to use glucometer — Stock Photo
    Female doctor teaching diabetic senior patient how to use glucometer
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    Optometry devices closeup view — Stock Photo
    Optometry devices closeup view
    Beans and pulses in test tubes. — Stock Photo
    Beans and pulses in test tubes.
    Female scientist holding and analyzing human skull in ancient DNA laboratory. — Stock Photo
    Female scientist holding and analyzing human skull in ancient DNA laboratory.
    Cropped view of doctor holding vial of blood for testing. — Stock Photo
    Cropped view of doctor holding vial of blood for testing.
    Lab technician using flame test probe to gather sample from vile — Stock Photo
    Lab technician using flame test probe to gather sample from vile
    Fruits and vegetables in test tubes. — Stock Photo
    Fruits and vegetables in test tubes.
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background. — Stock Photo
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background.
    Podiatrist examining and treating patient — Stock Photo
    Podiatrist examining and treating patient
    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
    Podiatrist making procedure with patient — Stock Photo
    Podiatrist making procedure with patient
    Workers in protective suits using machinery in fiber optics research and testing laboratory — Stock Photo
    Workers in protective suits using machinery in fiber optics research and testing laboratory
    Close-up of immunologist performing skin prick allergy testing on boy. — Stock Photo
    Close-up of immunologist performing skin prick allergy testing on boy.
    College students taking test at desk in classroom — Stock Photo
    College students taking test at desk in classroom
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Adult laboratory specialist in white workwear focusing on screen while using digital device for checking quality of food in showcases in canteen — Stock Photo
    Adult laboratory specialist in white workwear focusing on screen while using digital device for checking quality of food in showcases in canteen
    Scientist holding meat piece with tweezers for food research. — Stock Photo
    Scientist holding meat piece with tweezers for food research.
    Open laptop and scientific samples on table — Stock Photo
    Open laptop and scientific samples on table
    Male laboratory assistant holding test tube rack. — Stock Photo
    Male laboratory assistant holding test tube rack.
    Close-up of petri dishes and pipette for genetic research. — Stock Photo
    Close-up of petri dishes and pipette for genetic research.
    Coronavirus negative and positive blood test near vaccine flask and syringe on pink background — Stock Photo
    Coronavirus negative and positive blood test near vaccine flask and syringe on pink background
    Close-up of containers for blood group test. — Stock Photo
    Close-up of containers for blood group test.
    Male adult engineer in water treatment plant — Stock Photo
    Male adult engineer in water treatment plant
    Teacher in School of Maasai tribe — Stock Photo
    Teacher in School of Maasai tribe
    PCR tubes with orange and purple samples on black background. — Stock Photo
    PCR tubes with orange and purple samples on black background.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    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.
    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
    Engineer walking by water treatment plant ultraviolet ionization treatment room — Stock Photo
    Engineer walking by water treatment plant ultraviolet ionization treatment room
    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.
    Optician testing senior man eyesight. — Stock Photo
    Optician testing senior man eyesight.
    Crop unrecognizable biologist in uniform with dropper and rack with tips at table in cannabis laboratory — Stock Photo
    Crop unrecognizable biologist in uniform with dropper and rack with tips at table in cannabis laboratory
    Close up of Chemical test strips illuminated by red light — Stock Photo
    Close up of Chemical test strips illuminated by red light
    Woman checking blood pressure test at hospital — Stock Photo
    Woman checking blood pressure test at hospital
    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
    UK map formed in fumes from dangerous science experiment — Stock Photo
    UK map formed in fumes from dangerous science experiment
    Water department technician using flow rate sensor — Stock Photo
    Water department technician using flow rate sensor
    Boy having hearing test in female audiologist office. — Stock Photo
    Boy having hearing test in female audiologist office.
    Side view of content female veterinarian in uniform with test tube standing at table with microscope in laboratory — Stock Photo
    Side view of content female veterinarian in uniform with test tube standing at table with microscope in laboratory
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Mid section of doctor putting blanket on pregnant woman in hospital — Stock Photo
    Mid section of doctor putting blanket on pregnant woman in hospital
    Bioarchaeologists analyzing human osteological material in laboratory. — Stock Photo
    Bioarchaeologists analyzing human osteological material in laboratory.
    Female teacher and students conducting chemical experiment — Stock Photo
    Female teacher and students conducting chemical experiment
    Crop concentrated female scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern laboratory — Stock Photo
    Crop concentrated female scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern laboratory
    Portrait confident, happy young woman holding learners permit by car — Stock Photo
    Portrait confident, happy young woman holding learners permit by car
    Human blood cells, computer illustration — Stock Photo
    Human blood cells, computer illustration
    Female doctor performing allergy skin prick test on little boy with mother in immunologist office. — Stock Photo
    Female doctor performing allergy skin prick test on little boy with mother in immunologist office.
    Female doctor performing allergy skin prick test on little boy with mother in immunologist office. — Stock Photo
    Female doctor performing allergy skin prick test on little boy with mother in immunologist office.
    Ophthalmologist examining a womans eyes with a slit lamp — Stock Photo
    Ophthalmologist examining a womans eyes with a slit lamp
    Lab assistant using multi pipette and multiwell. — Stock Photo
    Lab assistant using multi pipette and multiwell.
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge. — Stock Photo
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge.
    Young asian college students studying outdoors — Stock Photo
    Young asian college students studying outdoors