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    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus. — Stock Photo
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus.
    Close-up of glass syringe with stand and beaker arranged on table in laboratory — Stock Photo
    Close-up of glass syringe with stand and beaker arranged on table in laboratory
    Concentrated male scientist checking documentation in clipboard in greenhouse — Stock Photo
    Concentrated male scientist checking documentation in clipboard in greenhouse
    College students experimenting on microscope in laboratory at university — Stock Photo
    College students experimenting on microscope in laboratory at university
    Urine sample container on toilet in bathroom, studio shot. — Stock Photo
    Urine sample container on toilet in bathroom, studio shot.
    Hands of scientist watering plants with sprayer in greenhouse — Stock Photo
    Hands of scientist watering plants with sprayer in greenhouse
    Male scientist placing medical vials on a lab machine in laboratory — Stock Photo
    Male scientist placing medical vials on a lab machine in laboratory
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Female laboratory technician using microscope in lab. — Stock Photo
    Female laboratory technician using microscope in lab.
    Man looking at fruit plants in green garden — Stock Photo
    Man looking at fruit plants in green garden
    Teenage girl experimenting on microscope in laboratory at university — Stock Photo
    Teenage girl experimenting on microscope in laboratory at university
    Female scientist holding syringe in greenhouse — Stock Photo
    Female scientist holding syringe in greenhouse
    Female scientist examining plants in greenhouse — Stock Photo
    Female scientist examining plants in greenhouse
    Close-up of male scientist placing medical vials on a lab machine in laboratory — Stock Photo
    Close-up of male scientist placing medical vials on a lab machine in laboratory
    Rear view of male scientist experimenting in laboratory — Stock Photo
    Rear view of male scientist experimenting in laboratory
    Female scientist holding syringe in greenhouse — Stock Photo
    Female scientist holding syringe in greenhouse
    Blood in human urine in sample pots, studio shot. — Stock Photo
    Blood in human urine in sample pots, studio shot.
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    Man with digital tablet examining plants in greenhouse — Stock Photo
    Man with digital tablet examining plants in greenhouse
    Close-up of pipetting samples into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting samples into microcentrifuge tubes.
    Mid section of male scientist experimenting in laboratory — Stock Photo
    Mid section of male scientist experimenting in laboratory
    Urine samples for analysis and test strip, studio shot. — Stock Photo
    Urine samples for analysis and test strip, studio shot.
    Female scientist examining plants in sunny greenhouse — Stock Photo
    Female scientist examining plants in sunny greenhouse
    Mid section of university student experimenting molecule model in laboratory — Stock Photo
    Mid section of university student experimenting molecule model in laboratory
    College students experimenting on microscope in laboratory at university — Stock Photo
    College students experimenting on microscope in laboratory at university
    Urine sample container on toilet in bathroom, studio shot. — Stock Photo
    Urine sample container on toilet in bathroom, studio shot.
    Scientist hands holding urine sample in container and chart, studio shot. — Stock Photo
    Scientist hands holding urine sample in container and chart, studio shot.
    Male scientist using virtual reality headset laboratory — Stock Photo
    Male scientist using virtual reality headset laboratory
    Two scientists working on digital tablet in greenhouse — Stock Photo
    Two scientists working on digital tablet in greenhouse
    Concentrated scientist watering plants in greenhouse — Stock Photo
    Concentrated scientist watering plants in greenhouse
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    Side view of male scientist experimenting in laboratory — Stock Photo
    Side view of male scientist experimenting in laboratory
    Close-up of scientists experimenting in laboratory — Stock Photo
    Close-up of scientists experimenting in laboratory
    Portrait of male scientist standing with arms crossed in laboratory — Stock Photo
    Portrait of male scientist standing with arms crossed in laboratory
    Close-up of syringe and equipment in laboratory — Stock Photo
    Close-up of syringe and equipment in laboratory
    Portrait of smiling female teacher wearing protective eyewear, standing behind desk with microscope and test tubes in rack, students in background — Stock Photo
    Portrait of smiling female teacher wearing protective eyewear, standing behind desk with microscope and test tubes in rack, students in background
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Concentrated scientist examining aubergines in greenhouse — Stock Photo
    Concentrated scientist examining aubergines in greenhouse
    Mid section of male scientist experimenting in laboratory — Stock Photo
    Mid section of male scientist experimenting in laboratory
    Close-up of beaker, test tube rack and clipboard on table — Stock Photo
    Close-up of beaker, test tube rack and clipboard on table
    Mid section of male scientist experimenting in laboratory — Stock Photo
    Mid section of male scientist experimenting in laboratory
    Cropped view of scientist writing on clipboard in greenhouse — Stock Photo
    Cropped view of scientist writing on clipboard in greenhouse
    Female scientist checking plants in greenhouse — Stock Photo
    Female scientist checking plants in greenhouse
    Girl fixing the robotic toy at home — Stock Photo
    Girl fixing the robotic toy at home
    Focused girl using laptop — Stock Photo
    Focused girl using laptop
    Male scientist placing chemical bottle on a machine in laboratory — Stock Photo
    Male scientist placing chemical bottle on a machine in laboratory
    Close-up of glass syringe with stand arranged on table in laboratory — Stock Photo
    Close-up of glass syringe with stand arranged on table in laboratory
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Blood in human urine in sample pots, studio shot. — Stock Photo
    Blood in human urine in sample pots, studio shot.
    Test tubes rack with urine samples for analysis, studio shot. — Stock Photo
    Test tubes rack with urine samples for analysis, studio shot.
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Blood agar in Petri dish on blue background. — Stock Photo
    Blood agar in Petri dish on blue background.
    Side view of male scientist experimenting in laboratory — Stock Photo
    Side view of male scientist experimenting in laboratory
    Close-up of male scientist working in laboratory — Stock Photo
    Close-up of male scientist working in laboratory
    Female scientist checking document in greenhouse — Stock Photo
    Female scientist checking document in greenhouse
    Close-up of male scientist placing chemical bottle on a machine — Stock Photo
    Close-up of male scientist placing chemical bottle on a machine
    Female scientist wearing protective goggles and using device. — Stock Photo
    Female scientist wearing protective goggles and using device.
    Side view of male scientist experimenting in laboratory — Stock Photo
    Side view of male scientist experimenting in laboratory
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory