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    Tissue culture labelled wells with pink fluid and gel nourishes. — Stock Photo
    Tissue culture labelled wells with pink fluid and gel nourishes.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Scientist arranging device on floor in laboratory. — Stock Photo
    Scientist arranging device on floor in laboratory.
    Researcher man putting on white costume before research in lab. — Stock Photo
    Researcher man putting on white costume before research in lab.
    Empty and sterile phials in red plastic box. — Stock Photo
    Empty and sterile phials in red plastic box.
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    Pattern of cultures growing in Petri dishes on plain background. — Stock Photo
    Pattern of cultures growing in Petri dishes on plain background.
    Biological samples in test tubes and Petri dishes on laboratory table. — Stock Photo
    Biological samples in test tubes and Petri dishes on laboratory table.
    Microbiological cultures growing in Petri dishes. — Stock Photo
    Microbiological cultures growing in Petri dishes.
    Female researcher pipetting liquid in science laboratory. — Stock Photo
    Female researcher pipetting liquid in science laboratory.
    Side view of two people scientists providing research in laboratory. — Stock Photo
    Side view of two people scientists providing research in laboratory.
    Illustration of human multi-cellular embryo. — Stock Photo
    Illustration of human multi-cellular embryo.
    Glass phial with blood sample. — Stock Photo
    Glass phial with blood sample.
    Plastic test tubes in rack on white background. — Stock Photo
    Plastic test tubes in rack on white background.
    Glass phial with blood sample. — Stock Photo
    Glass phial with blood sample.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Microbiological culture growing in Petri dish. — Stock Photo
    Microbiological culture growing in Petri dish.
    Microbiological cultures growing in Petri dishes. — Stock Photo
    Microbiological cultures growing in Petri dishes.
    Close-up of micropipette pipetting blood sample into Petri dishes. — Stock Photo
    Close-up of micropipette pipetting blood sample into Petri dishes.
    Stacked Petri dishes with blood samples. — Stock Photo
    Stacked Petri dishes with blood samples.
    Microbiological culture growing in Petri dish, close-up. — Stock Photo
    Microbiological culture growing in Petri dish, close-up.
    Rear view of scientist working with equipment at laboratory — Stock Photo
    Rear view of scientist working with equipment at laboratory
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    Overhead view of pipettes in Pipetting plate in laboratory — Stock Photo
    Overhead view of pipettes in Pipetting plate in laboratory
    Plastic test tubes in rack on white background. — Stock Photo
    Plastic test tubes in rack on white background.
    Close-up of microcentrifuge tubes with blood samples. — Stock Photo
    Close-up of microcentrifuge tubes with blood samples.
    Scientist working looking at bottle in laboratory storage — Stock Photo
    Scientist working looking at bottle in laboratory storage
    Low-density lipoprotein receptors binding on cell membrane, illustration. — Stock Photo
    Low-density lipoprotein receptors binding on cell membrane, illustration.
    Researcher in white costume holding bottle in science lab. — Stock Photo
    Researcher in white costume holding bottle in science lab.
    Low angle view of scientist holding glass flask in laboratory. — Stock Photo
    Low angle view of scientist holding glass flask in laboratory.
    Tetrahydrocannabinol cells binding to cannabinoid receptors, illustration — Stock Photo
    Tetrahydrocannabinol cells binding to cannabinoid receptors, illustration
    Researcher loading sample of DNA into agarose gel for separation by electrophoresis. — Stock Photo
    Researcher loading sample of DNA into agarose gel for separation by electrophoresis.
    Close-up of pipette pipetting into test tubes in pathogenic laboratory. — Stock Photo
    Close-up of pipette pipetting into test tubes in pathogenic laboratory.
    Female researcher pipetting liquid in science laboratory. — Stock Photo
    Female researcher pipetting liquid in science laboratory.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Empty and sterile phials in red plastic box. — Stock Photo
    Empty and sterile phials in red plastic box.
    Tubes for biological test in rack on blue background. — Stock Photo
    Tubes for biological test in rack on blue background.
    Directly above view of scientist using pipette and scales — Stock Photo
    Directly above view of scientist using pipette and scales
    Crop scientist taking off work gloves — Stock Photo
    Crop scientist taking off work gloves
    Three microcentrifuge tubes with pink liquid in tube rack. — Stock Photo
    Three microcentrifuge tubes with pink liquid in tube rack.
    Multiwell plate with biological samples on white background. — Stock Photo
    Multiwell plate with biological samples on white background.
    Microbiological culture growing in Petri dish. — Stock Photo
    Microbiological culture growing in Petri dish.
    Close-up of microcentrifuge tubes with blood samples. — Stock Photo
    Close-up of microcentrifuge tubes with blood samples.
    Multichannel pipette and red well plate in laboratory. — Stock Photo
    Multichannel pipette and red well plate in laboratory.
    Stacked Petri dishes with blood samples. — Stock Photo
    Stacked Petri dishes with blood samples.
    Rear view of scientist operating with display on wall — Stock Photo
    Rear view of scientist operating with display on wall
    Multiwell plate with biological samples on white background. — Stock Photo
    Multiwell plate with biological samples on white background.
    Scientist putting on protective mask in laboratory — Stock Photo
    Scientist putting on protective mask in laboratory
    Close-up of scientist holding rack of microcentrifuge tubes with red liquid. — Stock Photo
    Close-up of scientist holding rack of microcentrifuge tubes with red liquid.
    Single test tube with blood sample. — Stock Photo
    Single test tube with blood sample.
    Crop scientist adding liquid in flask — Stock Photo
    Crop scientist adding liquid in flask
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Scientist using pipette and scales at laboratory — Stock Photo
    Scientist using pipette and scales at laboratory
    Endorphin molecules binding to receptors, illustration. — Stock Photo
    Endorphin molecules binding to receptors, illustration.
    Scientist putting on gloves before work at laboratory — Stock Photo
    Scientist putting on gloves before work at laboratory
    Single test tube with blood sample. — Stock Photo
    Single test tube with blood sample.
    Multiwell plate with biological samples on white background. — Stock Photo
    Multiwell plate with biological samples on white background.
    Researcher in white costume looking at camera and standing with arms crossed in laboratory. — Stock Photo
    Researcher in white costume looking at camera and standing with arms crossed in laboratory.
    Multichannel pipette pipetting into rack of tubes. — Stock Photo
    Multichannel pipette pipetting into rack of tubes.
    Micropipette pipetting blood sample into Petri dish. — Stock Photo
    Micropipette pipetting blood sample into Petri dish.