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    Pipette adding sample to petri dish with DNA autoradiogram in background. — Stock Photo
    Pipette adding sample to petri dish with DNA autoradiogram in background.
    Petri dish with blood agar on blue background. — Stock Photo
    Petri dish with blood agar on blue background.
    Female scientist using pipette in laboratory — Stock Photo
    Female scientist using pipette in laboratory
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    Conical flask glassware with solution on table in science laboratory — Stock Photo
    Conical flask glassware with solution on table in science laboratory
    Close-up of scientist doing experiment in lab — Stock Photo
    Close-up of scientist doing experiment in lab
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Two scientists doing experiment in lab — Stock Photo
    Two scientists doing experiment in lab
    Female scientist opening cabinet in research laboratory. — Stock Photo
    Female scientist opening cabinet in research laboratory.
    Cropped view of scientist pipetting samples into microcentrifuge tubes. — Stock Photo
    Cropped view of scientist pipetting samples into microcentrifuge tubes.
    Test tubes with urine samples for analysis on white background, studio shot. — Stock Photo
    Test tubes with urine samples for analysis on white background, studio shot.
    Female scientists in face masks working in laboratory — Stock Photo
    Female scientists in face masks working in laboratory
    Young child in labcoat with stethoscope — Stock Photo
    Young child in labcoat with stethoscope
    Microbiological culture growing in Petri dish, close-up. — Stock Photo
    Microbiological culture growing in Petri dish, close-up.
    Female researcher using micropipette and tubes in laboratory, close-up. — Stock Photo
    Female researcher using micropipette and tubes in laboratory, close-up.
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    Male scientist using microscope in laboratory — Stock Photo
    Male scientist using microscope in laboratory
    Stacked Petri dishes with blood agar on plain background. — Stock Photo
    Stacked Petri dishes with blood agar on plain background.
    Female cell biologist examining flask containing stem cells cultivated in red growth medium. — Stock Photo
    Female cell biologist examining flask containing stem cells cultivated in red growth medium.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Crop hands of scientist operating with equipment in laboratory. — Stock Photo
    Crop hands of scientist operating with equipment in laboratory.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Biotechnology engineer inspecting cell culture flask. — Stock Photo
    Biotechnology engineer inspecting cell culture flask.
    Scientist hands holding urine sample in container and chart, studio shot. — Stock Photo
    Scientist hands holding urine sample in container and chart, studio shot.
    Microbiological culture growing in Petri dish. — Stock Photo
    Microbiological culture growing in Petri dish.
    Crop scientist taking off work gloves — Stock Photo
    Crop scientist taking off work gloves
    Specimens in rack on laboratory counter — Stock Photo
    Specimens in rack on laboratory counter
    Bacterial colonies on agar plate. — Stock Photo
    Bacterial colonies on agar plate.
    Research Laboratory interior — Stock Photo
    Research Laboratory interior
    Illustration of antibodies attacking HIV virus. — Stock Photo
    Illustration of antibodies attacking HIV virus.
    Empty stool sampling kit on laboratory table, close-up. — Stock Photo
    Empty stool sampling kit on laboratory table, close-up.
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    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
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    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.
    Female scientists in face masks and protective workwear in laboratory — Stock Photo
    Female scientists in face masks and protective workwear in laboratory
    Scientist hand placing sample on slide under microscope. — Stock Photo
    Scientist hand placing sample on slide under microscope.
    Stacks of Petri dishes with cultured agar on plain background. — Stock Photo
    Stacks of Petri dishes with cultured agar on plain background.
    Female scientists working at fume hood in laboratory — Stock Photo
    Female scientists working at fume hood in laboratory
    Professor with muscular dystrophy working with students in a laboratory — Stock Photo
    Professor with muscular dystrophy working with students in a laboratory
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Female scientist filling pipette trays at fume hood in laboratory — Stock Photo
    Female scientist filling pipette trays at fume hood in laboratory
    Pattern of cultures growing in Petri dishes on plain background. — Stock Photo
    Pattern of cultures growing in Petri dishes on plain background.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Scientist in white uniform putting on protective mask — Stock Photo
    Scientist in white uniform putting on protective mask
    Scientist holding object with tweezers — Stock Photo
    Scientist holding object with tweezers
    Empty laboratory glassware on table. — Stock Photo
    Empty laboratory glassware on table.
    Researcher placing petri dish with cell culture under microscope. — Stock Photo
    Researcher placing petri dish with cell culture under microscope.
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Microbiologist inspecting petri dish and observing bacteria growth. — Stock Photo
    Microbiologist inspecting petri dish and observing bacteria growth.
    Scientist removing medical samples from machine in lab — Stock Photo
    Scientist removing medical samples from machine in lab
    Professor with muscular dystrophy working with students in a laboratory — Stock Photo
    Professor with muscular dystrophy working with students in a laboratory
    Scientist pouring chemical solution on conical flask from bottle in lab — Stock Photo
    Scientist pouring chemical solution on conical flask from bottle in lab
    Glass phials in laboratory rack, close-up. — Stock Photo
    Glass phials in laboratory rack, close-up.
    Scientist pipetting solution into the glass test tube at lab — Stock Photo
    Scientist pipetting solution into the glass test tube at lab
    From above of microscope near computer with open program on screen in vet laboratory — Stock Photo
    From above of microscope near computer with open program on screen in vet laboratory
    Professor with muscular dystrophy working with students in a laboratory — Stock Photo
    Professor with muscular dystrophy working with students in a laboratory
    Doctors hands making a research in laboratory — Stock Photo
    Doctors hands making a research in laboratory
    Technicians working in sealed and sterile biomedical laboratory. — Stock Photo
    Technicians working in sealed and sterile biomedical laboratory.