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    Female scientist in white coat measuring PH of soil sample with litmus strips. — Stock Photo
    Female scientist in white coat measuring PH of soil sample with litmus strips.
    Nurse holding pregnancy urinalysis test results. — Stock Photo
    Nurse holding pregnancy urinalysis test results.
    Pipette adding sample to petri dish during experiment in laboratory. — Stock Photo
    Pipette adding sample to petri dish during experiment in laboratory.
    Raw, light, medium and dark roast coffee beans in test tubes. — Stock Photo
    Raw, light, medium and dark roast coffee beans in test tubes.
    Organic soil certification inspector marking sample. — Stock Photo
    Organic soil certification inspector marking sample.
    Side view of scientist providing research and operating with tablet on wall of laboratory. — Stock Photo
    Side view of scientist providing research and operating with tablet on wall of laboratory.
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Water treatment engineer in treatment room — Stock Photo
    Water treatment engineer in treatment room
    Preschooler boy undergoing logic cards test for developmental psychology test in female psychologist office. — Stock Photo
    Preschooler boy undergoing logic cards test for developmental psychology test in female psychologist office.
    Cropped unrecognizable expert person in lab coat gloves examining samples through powerful microscope lenses while working in modern equipped laboratory — Stock Photo
    Cropped unrecognizable expert person in lab coat gloves examining samples through powerful microscope lenses while working in modern equipped laboratory
    Mobile health. Measuring blood pressure and entering data in the smart phone. — Stock Photo
    Mobile health. Measuring blood pressure and entering data in the smart phone.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Crop anonymous scientist in sterile gloves showing sample tube with cannabis extract for analysis in lab — Stock Photo
    Crop anonymous scientist in sterile gloves showing sample tube with cannabis extract for analysis in lab
    Elder man checking his arterial pressure with machine — Stock Photo
    Elder man checking his arterial pressure with machine
    Scientist checking a solution in test tube in lab — Stock Photo
    Scientist checking a solution in test tube in lab
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Biologist with protective gloves performing a coronavirus test on a person in a car — Stock Photo
    Biologist with protective gloves performing a coronavirus test on a person in a car
    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
    Chemist in protective glasses holding sample in pharmaceutical laboratory. — Stock Photo
    Chemist in protective glasses holding sample in pharmaceutical laboratory.
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab — Stock Photo
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab
    Optometrist adjusting the retinograph during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the retinograph during study of the eyesight of a black woman
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Scientist viewing medical sample on glass slide under microscope in laboratory. — Stock Photo
    Scientist viewing medical sample on glass slide under microscope in laboratory.
    Senior woman using spirometer, measuring lung capacity and peak expiratory force. — Stock Photo
    Senior woman using spirometer, measuring lung capacity and peak expiratory force.
    Optician using phoropter for eye examination preteen girl. — Stock Photo
    Optician using phoropter for eye examination preteen girl.
    Hands holding roast turkey — Stock Photo
    Hands holding roast turkey
    Female patient undergoing an x-ray test in the hospital — Stock Photo
    Female patient undergoing an x-ray test in the hospital
    Radiographers taking computed tomography scan of patient. — Stock Photo
    Radiographers taking computed tomography scan of patient.
    Laboratory technician scanning bar code of test tube rack in blood bank — Stock Photo
    Laboratory technician scanning bar code of test tube rack in blood bank
    Woman using a lance to take a finger prick blood sample. — Stock Photo
    Woman using a lance to take a finger prick blood sample.
    From above bottles with water samples and briefcase with chemicals placed near swimming pool during safety inspection on resort — Stock Photo
    From above bottles with water samples and briefcase with chemicals placed near swimming pool during safety inspection on resort
    Person in latex glove holding test tube with ear of wheat — Stock Photo
    Person in latex glove holding test tube with ear of wheat
    Crop anonymous scientist in protective gloves shaking blue chemical substance in flask while working in modern equipped laboratory — Stock Photo
    Crop anonymous scientist in protective gloves shaking blue chemical substance in flask while working in modern equipped laboratory
    Transparent cervical smear instrument, studio shot. — Stock Photo
    Transparent cervical smear instrument, studio shot.
    Scientist hand holding test tube with seedlings, conceptual image of plant research and genetic engineering. — Stock Photo
    Scientist hand holding test tube with seedlings, conceptual image of plant research and genetic engineering.
    Preschooler boy undergoing logic test with numbers for developmental psychology test in female psychologist office. — Stock Photo
    Preschooler boy undergoing logic test with numbers for developmental psychology test in female psychologist office.
    Tubes containing blood samples — Stock Photo
    Tubes containing blood samples
    Phases of chocolate cooking — Stock Photo
    Phases of chocolate cooking
    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.
    Doctor with oximeter examining little patient — Stock Photo
    Doctor with oximeter examining little patient
    Water department technician using flow rate sensor — Stock Photo
    Water department technician using flow rate sensor
    Beans and pulses in test tubes. — Stock Photo
    Beans and pulses in test tubes.
    Optometrist examining patient eyes with phoropter in clinic — Stock Photo
    Optometrist examining patient eyes with phoropter in clinic
    Modern vision test equipment and chair against white wall in optician office in clinic — Stock Photo
    Modern vision test equipment and chair against white wall in optician office in clinic
    France, Limousin, triticale field, hybrid of wheat and rye, near Aubusson. — Stock Photo
    France, Limousin, triticale field, hybrid of wheat and rye, near Aubusson.
    Patient undergoing skin prick test in allergy clinic. — Stock Photo
    Patient undergoing skin prick test in allergy clinic.
    Girl student conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student conducting scientific experiment in laboratory classroom
    Forensic DNA autoradiogram — Stock Photo
    Forensic DNA autoradiogram
    Close-up of nurse making blood glucose test to senior woman. — Stock Photo
    Close-up of nurse making blood glucose test to senior woman.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Doctor testing patient blood sugar for diabetes in examination room — Stock Photo
    Doctor testing patient blood sugar for diabetes in examination room
    Lab chemist preparing automated water test — Stock Photo
    Lab chemist preparing automated water test
    Female patient undergoing an x-ray test in the hospital — Stock Photo
    Female patient undergoing an x-ray test in the hospital
    Female chemist setting up equipment in laboratory. — Stock Photo
    Female chemist setting up equipment in laboratory.
    Car salesman talking to couple — Stock Photo
    Car salesman talking to couple
    Close-up of beaker, test tube rack and clipboard on table — Stock Photo
    Close-up of beaker, test tube rack and clipboard on table
    Optometrist using an ophthalmoscope during study of the eyesight of a black woman — Stock Photo
    Optometrist using an ophthalmoscope during study of the eyesight of a black woman
    Scientist posing in protective costume in laboratory — Stock Photo
    Scientist posing in protective costume in laboratory
    Doctor holding digital tablet and patient lying on x ray machine in hospital — Stock Photo
    Doctor holding digital tablet and patient lying on x ray machine in hospital
    Senior woman preparing DNA test kit. — Stock Photo
    Senior woman preparing DNA test kit.