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    Hand of researcher holding vacutainer tube above pool of blood and syringe. — Stock Photo
    Hand of researcher holding vacutainer tube above pool of blood and syringe.
    Close-up of pipetting sample into row of test tubes during experiment in laboratory. — Stock Photo
    Close-up of pipetting sample into row of test tubes during experiment in laboratory.
    Doctor reading the results of blood test while holding blood sample. — Stock Photo
    Doctor reading the results of blood test while holding blood sample.
    Two scientists experimenting with a water sample — Stock Photo
    Two scientists experimenting with a water sample
    African american senior male doctor performing throat swab test on african american man at home. medical testing for prevention of coronavirus outbreak concept — Stock Photo
    African american senior male doctor performing throat swab test on african american man at home. medical testing for prevention of coronavirus outbreak concept
    Microbiologist working with petri dish and test tubes in laboratory. — Stock Photo
    Microbiologist working with petri dish and test tubes in laboratory.
    Female scientist holding blood sample by microscope in laboratory. — Stock Photo
    Female scientist holding blood sample by microscope in laboratory.
    Forensic scientist taking hair specimen for DNA testing from clothing from crime scene. — Stock Photo
    Forensic scientist taking hair specimen for DNA testing from clothing from crime scene.
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand. — Stock Photo
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand.
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Male worker using welding torch in glass factory — Stock Photo
    Male worker using welding torch in glass factory
    Scientist closing lid of vial while laboratory testing. — Stock Photo
    Scientist closing lid of vial while laboratory testing.
    Teenage girl performing experiment in chemistry lab — Stock Photo
    Teenage girl performing experiment in chemistry lab
    Female scientist holding blood samples in test tubes. — Stock Photo
    Female scientist holding blood samples in test tubes.
    Forensic scientist measuring knife blade as forensic evidence. — Stock Photo
    Forensic scientist measuring knife blade as forensic evidence.
    Teenage girl holding pipette while practicing chemistry experiment at desk in lab — Stock Photo
    Teenage girl holding pipette while practicing chemistry experiment at desk in lab
    Close-up of examination of soil samples in agrochemical laboratory. — Stock Photo
    Close-up of examination of soil samples in agrochemical laboratory.
    Technician pipetting samples into cartridges for solid phase extraction. — Stock Photo
    Technician pipetting samples into cartridges for solid phase extraction.
    Scientists holding multiwell plate with chemical solution for analytical testing in laboratory. — Stock Photo
    Scientists holding multiwell plate with chemical solution for analytical testing in laboratory.
    Female biologist in white coat pouring water in soil sample. — Stock Photo
    Female biologist in white coat pouring water in soil sample.
    Urine sample for analysis and test strip with chart, studio shot. — Stock Photo
    Urine sample for analysis and test strip with chart, studio shot.
    Eggs in lighting control quality in egg factory — Stock Photo
    Eggs in lighting control quality in egg factory
    Lab technician holding sample in flame — Stock Photo
    Lab technician holding sample in flame
    Close-up of trowel with soil above samples separated in containers. — Stock Photo
    Close-up of trowel with soil above samples separated in containers.
    Lab technician carrying cell-based testing kit in bioengineering laboratory. — Stock Photo
    Lab technician carrying cell-based testing kit in bioengineering laboratory.
    Hand in latex glove holding peanut — Stock Photo
    Hand in latex glove holding peanut
    Machine for automated analysis of donated blood. — Stock Photo
    Machine for automated analysis of donated blood.
    Cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cell-based testing kit in bioengineering laboratory.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Scientist pipetting samples into multi well plate for automated testing in laboratory. — Stock Photo
    Scientist pipetting samples into multi well plate for automated testing in laboratory.
    Close-up of microcentrifuge tubes with biologist in background. — Stock Photo
    Close-up of microcentrifuge tubes with biologist in background.
    Scientist holding petri dish and swab. — Stock Photo
    Scientist holding petri dish and swab.
    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.
    Lab technician opening sterilization tank — Stock Photo
    Lab technician opening sterilization tank
    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.
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory. — Stock Photo
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory.
    Close-up of petri dishes and dropping pipette for genetic research. — Stock Photo
    Close-up of petri dishes and dropping pipette for genetic research.
    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 scientist taking testing tube from tray for scientific research. — Stock Photo
    Female scientist taking testing tube from tray for scientific research.
    Medical worker gloved hands holding test stick in urine sample tube. — Stock Photo
    Medical worker gloved hands holding test stick in urine sample tube.
    Blood samples in a multi well plate during a clinical trial. — Stock Photo
    Blood samples in a multi well plate during a clinical trial.
    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.
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Poppy seeds in plastic cup for agriculture research, conceptual image. — Stock Photo
    Poppy seeds in plastic cup for agriculture research, conceptual image.
    Scientist selecting human blood sample in laboratory. — Stock Photo
    Scientist selecting human blood sample in laboratory.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab. — Stock Photo
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab.
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab.
    Teenage girl performing chemistry experiment in lab — Stock Photo
    Teenage girl performing chemistry experiment in lab
    Urine sample and diagnostic dipstick on surgical tray. — Stock Photo
    Urine sample and diagnostic dipstick on surgical tray.
    Lentils in plastic cup for agriculture research, conceptual image. — Stock Photo
    Lentils in plastic cup for agriculture research, conceptual image.
    Grains and pulses in plastic cups for agriculture research, conceptual image. — Stock Photo
    Grains and pulses in plastic cups for agriculture research, conceptual image.
    Blood samples ready for analysis — Stock Photo
    Blood samples ready for analysis
    Microbiologist working with petri dish and test tubes in laboratory. — Stock Photo
    Microbiologist working with petri dish and test tubes in laboratory.
    Modern digital mammography unit at clinic and screen — Stock Photo
    Modern digital mammography unit at clinic and screen
    Grains and pulses in plastic cups for agriculture research, conceptual image. — Stock Photo
    Grains and pulses in plastic cups for agriculture research, conceptual image.
    Person hand holding DNA swab and test results for forensic evidence. — Stock Photo
    Person hand holding DNA swab and test results for forensic evidence.