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    Female laboratory assistant holding chemical flask. — Stock Photo
    Female laboratory assistant holding chemical flask.
    Male laboratory assistant holding chemical flasks. — Stock Photo
    Male laboratory assistant holding chemical flasks.
    Male doctors walking in corridor. — Stock Photo
    Male doctors walking in corridor.
    Female scientist holding blood samples in test tubes. — Stock Photo
    Female scientist holding blood samples in test tubes.
    Female scientist using computer. — Stock Photo
    Female scientist using computer.
    Hand in latex glove holding ear of wheat — Stock Photo
    Hand in latex glove holding ear of wheat
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Male laboratory assistant holding chemical flask. — Stock Photo
    Male laboratory assistant holding chemical flask.
    Close-up of scientist pipetting liquid into multiwell tray. — Stock Photo
    Close-up of scientist pipetting liquid into multiwell tray.
    Male and female doctors looking at x-ray. — Stock Photo
    Male and female doctors looking at x-ray.
    Scientists using computer and microscope in laboratory. — Stock Photo
    Scientists using computer and microscope in laboratory.
    Male scientist in protective clothing working in laboratory. — Stock Photo
    Male scientist in protective clothing working in laboratory.
    Hand in latex glove holding peanut — Stock Photo
    Hand in latex glove holding peanut
    Female laboratory assistant looking in camera. — Stock Photo
    Female laboratory assistant looking in camera.
    Hand in latex glove holding bunch of wheat. — Stock Photo
    Hand in latex glove holding bunch of wheat.
    Laboratory assistants looking at chemical flask. — Stock Photo
    Laboratory assistants looking at chemical flask.
    Scientists working in laboratory with microscope and computer. — Stock Photo
    Scientists working in laboratory with microscope and computer.
    Pill in Petri dish on gray background. — Stock Photo
    Pill in Petri dish on gray background.
    Female laboratory assistant in safety goggles standing with arms crossed. — Stock Photo
    Female laboratory assistant in safety goggles standing with arms crossed.
    Female lab assistant using pipette, close-up. — Stock Photo
    Female lab assistant using pipette, close-up.
    Male scientists in surgical caps using microscope. — Stock Photo
    Male scientists in surgical caps using microscope.
    Male scientist in protective clothing working in laboratory. — Stock Photo
    Male scientist in protective clothing working in laboratory.
    Male laboratory assistant using pipette. — Stock Photo
    Male laboratory assistant using pipette.
    Surgeons in protective clothing in discussion. — Stock Photo
    Surgeons in protective clothing in discussion.
    Female scientist in protective mask using microscope. — Stock Photo
    Female scientist in protective mask using microscope.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Scientist holding chemical flask and using pipette. — Stock Photo
    Scientist holding chemical flask and using pipette.
    Laboratory assistant using electronic pipette. — Stock Photo
    Laboratory assistant using electronic pipette.
    Petri dish with brush on blue background. — Stock Photo
    Petri dish with brush on blue background.
    Scientists working in laboratory with computer and microscope. — Stock Photo
    Scientists working in laboratory with computer and microscope.
    Female laboratory assistant using pipette. — Stock Photo
    Female laboratory assistant using pipette.
    Scientist holding DNA autoradiogram in hand. — Stock Photo
    Scientist holding DNA autoradiogram in hand.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Male laboratory assistant holding test tube rack. — Stock Photo
    Male laboratory assistant holding test tube rack.
    Laboratory assistants using pipette with digital display. — Stock Photo
    Laboratory assistants using pipette with digital display.
    Laboratory assistant in safety goggles looking at chemical flask. — Stock Photo
    Laboratory assistant in safety goggles looking at chemical flask.
    Male scientist in surgical cap using microscope. — Stock Photo
    Male scientist in surgical cap using microscope.
    Scientists in protective clothing working in laboratory. — Stock Photo
    Scientists in protective clothing working in laboratory.
    Scientist using equipment in laboratory. — Stock Photo
    Scientist using equipment in laboratory.
    Laboratory assistants working in lab. — Stock Photo
    Laboratory assistants working in lab.
    Female laboratory assistant using pipette. — Stock Photo
    Female laboratory assistant using pipette.
    Female laboratory assistant using pipette. — Stock Photo
    Female laboratory assistant using pipette.
    Female laboratory assistant wearing safety goggles. — Stock Photo
    Female laboratory assistant wearing safety goggles.
    Male laboratory assistant with arms folded. — Stock Photo
    Male laboratory assistant with arms folded.
    Female lab assistant using pipette, close-up. — Stock Photo
    Female lab assistant using pipette, close-up.
    Female laboratory assistant using mini centrifuge. — Stock Photo
    Female laboratory assistant using mini centrifuge.
    Female laboratory assistant wearing safety goggles. — Stock Photo
    Female laboratory assistant wearing safety goggles.
    Male scientists in protective clothing working in laboratory. — Stock Photo
    Male scientists in protective clothing working in laboratory.
    Petri dishes on laboratory table, close-up. — Stock Photo
    Petri dishes on laboratory table, close-up.
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Close-up view of tubes with blood samples. — Stock Photo
    Close-up view of tubes with blood samples.
    Petri dishes stacked on blue background. — Stock Photo
    Petri dishes stacked on blue background.
    Pills in Petri dishes on gray background. — Stock Photo
    Pills in Petri dishes on gray background.
    DNA strand in test tube, digital illustration. — Stock Photo
    DNA strand in test tube, digital illustration.
    Female scientist in protective mask using microscope. — Stock Photo
    Female scientist in protective mask using microscope.
    Laboratory sample tubes in rack. — Stock Photo
    Laboratory sample tubes in rack.
    Male scientist using microscope, close-up. — Stock Photo
    Male scientist using microscope, close-up.
    Female laboratory assistant using equipment. — Stock Photo
    Female laboratory assistant using equipment.
    Female surgeon in surgical cap looking in camera. — Stock Photo
    Female surgeon in surgical cap looking in camera.
    Laboratory assistants working in lab. — Stock Photo
    Laboratory assistants working in lab.