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    Close-up of human urine, blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human urine, blood and various medical samples in test tubes while screening in medical lab.
    Close-up of human blood and various hematology samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hematology samples in test tubes while screening in medical lab.
    Scientist pipetting samples into test tubes in laboratory. — Stock Photo
    Scientist pipetting samples into test tubes in laboratory.
    Young female scientist viewing microscope during research. — Stock Photo
    Young female scientist viewing microscope during research.
    Variety of potential drugs in petri dish on DNA autoradiogram. — Stock Photo
    Variety of potential drugs in petri dish on DNA autoradiogram.
    Testing blood sample from a multi well plate during a clinical investigation. — Stock Photo
    Testing blood sample from a multi well plate during a clinical investigation.
    Mature scientist using light microscope in laboratory. — Stock Photo
    Mature scientist using light microscope in laboratory.
    Group of flagella cholera bacteria, digital illustration. — Stock Photo
    Group of flagella cholera bacteria, digital illustration.
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    Cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cell-based testing kit in bioengineering laboratory.
    Female scientist holding tray for stem cell research. — Stock Photo
    Female scientist holding tray for stem cell research.
    Tubes for biological test in rack on blue background. — Stock Photo
    Tubes for biological test in rack on blue background.
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Examining cultured cells under microscope, close-up. — Stock Photo
    Examining cultured cells under microscope, close-up.
    DNA test result on microcentrifuge tube with DNA sample in scientist hand. — Stock Photo
    DNA test result on microcentrifuge tube with DNA sample in scientist hand.
    DNA autoradiograph pattern, digital illustration. — Stock Photo
    DNA autoradiograph pattern, digital illustration.
    Scientist holding multi-well plate with growth medium. — Stock Photo
    Scientist holding multi-well plate with growth medium.
    Variety of potential drugs in petri dish on DNA autoradiogram. — Stock Photo
    Variety of potential drugs in petri dish on DNA autoradiogram.
    Scientist viewing bacteria cultures — Stock Photo
    Scientist viewing bacteria cultures
    Close-up of scientist fingers holding microcentrifuge tube with blue liquid. — Stock Photo
    Close-up of scientist fingers holding microcentrifuge tube with blue liquid.
    Close-up of scientist using lab on a chip microscope. — Stock Photo
    Close-up of scientist using lab on a chip microscope.
    Scientist closing lid of vial while laboratory testing. — Stock Photo
    Scientist closing lid of vial while laboratory testing.
    Female scientist examining DNA autoradiogram. — Stock Photo
    Female scientist examining DNA autoradiogram.
    Close-up of human urine, blood and various chemistry samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human urine, blood and various chemistry samples in test tubes while screening in medical lab.
    DNA autoradiograph pattern, digital illustration. — Stock Photo
    DNA autoradiograph pattern, digital illustration.
    Microcentrifuge sample tubes in styrofoam rack on blue background. — Stock Photo
    Microcentrifuge sample tubes in styrofoam rack on blue background.
    Vaccine being prepared in syringe on metal tray in clinic. — Stock Photo
    Vaccine being prepared in syringe on metal tray in clinic.
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    DNA test result on microcentrifuge tube with DNA sample in scientist hand. — Stock Photo
    DNA test result on microcentrifuge tube with DNA sample in scientist hand.
    Scientist examining cultured cells under microscope. — Stock Photo
    Scientist examining cultured cells under microscope.
    Person hand holding petri dish with biological culture. — Stock Photo
    Person hand holding petri dish with biological culture.
    Close-up of scientist using lab on a chip. — Stock Photo
    Close-up of scientist using lab on a chip.
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Scientist holding syringe over variety of pharmaceutical vials. — Stock Photo
    Scientist holding syringe over variety of pharmaceutical vials.
    Researcher handling stem cell cultures in laboratory during research. — Stock Photo
    Researcher handling stem cell cultures in laboratory during research.
    Female scientist examining cultures in petri dish. — Stock Photo
    Female scientist examining cultures in petri dish.
    Scientist examining cultured cells under microscope. — Stock Photo
    Scientist examining cultured cells under microscope.
    Close-up of lab-on-a-chip integrated circuit device on black background. — Stock Photo
    Close-up of lab-on-a-chip integrated circuit device on black background.
    Technicians working in sealed and sterile biomedical laboratory. — Stock Photo
    Technicians working in sealed and sterile biomedical laboratory.
    Scientist viewing multi well plate containing samples for testing in laboratory. — Stock Photo
    Scientist viewing multi well plate containing samples for testing in laboratory.
    DNA autoradiograph pattern, digital illustration. — Stock Photo
    DNA autoradiograph pattern, digital illustration.
    Variety of potential drugs in pharmaceutical vials and test tubes. — Stock Photo
    Variety of potential drugs in pharmaceutical vials and test tubes.
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Assortment of experimental drugs being tested in chemical laboratory. — Stock Photo
    Assortment of experimental drugs being tested in chemical laboratory.
    Testing blood sample from a multi well plate during a clinical investigation. — Stock Photo
    Testing blood sample from a multi well plate during a clinical investigation.
    Variety of potential drugs in pharmaceutical vials and test tubes. — Stock Photo
    Variety of potential drugs in pharmaceutical vials and test tubes.
    Female scientist examining bacterial culture growing in petri dish. — Stock Photo
    Female scientist examining bacterial culture growing in petri dish.
    Scientists preparing multiwell plate with blood samples for testing and analysis. — Stock Photo
    Scientists preparing multiwell plate with blood samples for testing and analysis.
    Female scientist holding multi-well plate with growth medium. — Stock Photo
    Female scientist holding multi-well plate with growth medium.
    Pipette placing sample into test tube during experiment in laboratory. — Stock Photo
    Pipette placing sample into test tube during experiment in laboratory.
    DNA autoradiograph pattern, digital illustration. — Stock Photo
    DNA autoradiograph pattern, digital illustration.
    Female scientist examining microbiological culture in petri dish. — Stock Photo
    Female scientist examining microbiological culture in petri dish.
    Technicians working in sealed and sterile biomedical laboratory. — Stock Photo
    Technicians working in sealed and sterile biomedical laboratory.
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Targeted gene therapy, abstract conceptual illustration. — Stock Photo
    Targeted gene therapy, abstract conceptual illustration.
    Organ-on-a-chip. This is a microfluidic device that simulates biological organs. — Stock Photo
    Organ-on-a-chip. This is a microfluidic device that simulates biological organs.
    Multiwell plate with biological samples on white background. — Stock Photo
    Multiwell plate with biological samples on white background.
    Scientist pipetting samples into test tubes in laboratory. — Stock Photo
    Scientist pipetting samples into test tubes in laboratory.
    DNA strand in test tube, digital illustration. — Stock Photo
    DNA strand in test tube, digital illustration.