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    Close-up of male scientist placing medical vials on a lab machine in laboratory — Stock Photo
    Close-up of male scientist placing medical vials on a lab machine in laboratory
    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 holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    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 holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Close-up of green chemical sample in glass phial. — Stock Photo
    Close-up of green chemical sample in glass phial.
    Close-up of green chemical sample in glass phial. — Stock Photo
    Close-up of green chemical sample in glass phial.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Close-up of blood sample in glass phial. — Stock Photo
    Close-up of blood sample in glass phial.
    Close-up of blood sample in glass phial. — Stock Photo
    Close-up of blood sample in glass phial.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    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.
    Still life of laboratory bench with microscope and various scientific equipment. — Stock Photo
    Still life of laboratory bench with microscope and various scientific equipment.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    College students conducting scientific experiment in science laboratory classroom — Stock Photo
    College students conducting scientific experiment in science laboratory classroom
    Pharmaceutical businessman explaining medication at podium at conference — Stock Photo
    Pharmaceutical businessman explaining medication at podium at conference
    Cuba, Pinar del Rio, Viales, Jackfruits hanging on tree — Stock Photo
    Cuba, Pinar del Rio, Viales, Jackfruits hanging on tree
    Female doctor filling syringe, close-up. — Stock Photo
    Female doctor filling syringe, close-up.
    Scientist holding test tube with green liquid — Stock Photo
    Scientist holding test tube with green liquid
    Female doctor filling syringe, close-up. — Stock Photo
    Female doctor filling syringe, close-up.
    Close-up of nurse preparing injection. — Stock Photo
    Close-up of nurse preparing injection.
    Medical sample tube labelled with bar code. — Stock Photo
    Medical sample tube labelled with bar code.
    Vial of potential drug in petri dish on DNA autoradiogram. — Stock Photo
    Vial of potential drug in petri dish on DNA autoradiogram.
    Medical equipment and drugs on white background. — Stock Photo
    Medical equipment and drugs on white background.
    Liquids of different colors in sample vials in laboratory. — Stock Photo
    Liquids of different colors in sample vials in laboratory.
    Medical equipment and drugs on white background. — Stock Photo
    Medical equipment and drugs on white background.
    Liquids of different colors in sample vials in laboratory. — Stock Photo
    Liquids of different colors in sample vials in laboratory.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Cropped view of doctor holding vial of blood for testing. — Stock Photo
    Cropped view of doctor holding vial of blood for testing.
    Close-up of tube and syringe in hematology laboratory with scientist in background. — Stock Photo
    Close-up of tube and syringe in hematology laboratory with scientist in background.
    Doctor hands preparing syringe, close-up. — Stock Photo
    Doctor hands preparing syringe, close-up.
    Close-up of tube and syringe in hematology laboratory with scientist in background. — Stock Photo
    Close-up of tube and syringe in hematology laboratory with scientist in background.
    Medical equipment and drugs on white background. — Stock Photo
    Medical equipment and drugs on white background.
    Close-up of tube and syringe in hematology laboratory with scientist in background. — Stock Photo
    Close-up of tube and syringe in hematology laboratory with scientist in background.
    Female hands filling syringe on blue background. — Stock Photo
    Female hands filling syringe on blue background.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Chemist in protective glasses holding sample in pharmaceutical laboratory. — Stock Photo
    Chemist in protective glasses holding sample in pharmaceutical laboratory.
    Scientist pipetting sample into vial in laboratory. — Stock Photo
    Scientist pipetting sample into vial in laboratory.
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory. — Stock Photo
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory.
    Chemist holding vial in pharmaceutical laboratory. — Stock Photo
    Chemist holding vial in pharmaceutical laboratory.
    Doctor filling syringe for injection. — Stock Photo
    Doctor filling syringe for injection.
    Doctor filling syringe for injection. — Stock Photo
    Doctor filling syringe for injection.
    Assortment of medical equipment and consumables on table. — Stock Photo
    Assortment of medical equipment and consumables on table.
    Medical equipment on metal tray. — Stock Photo
    Medical equipment on metal tray.
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory. — Stock Photo
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory.
    Assortment of medical equipment and consumables on table. — Stock Photo
    Assortment of medical equipment and consumables on table.
    Needle inserted into vaccine vial. — Stock Photo
    Needle inserted into vaccine vial.
    Assortment of medical equipment and consumables on table. — Stock Photo
    Assortment of medical equipment and consumables on table.
    Blood sample and syringe on table. — Stock Photo
    Blood sample and syringe on table.
    Close-up view of medical equipment on tray. — Stock Photo
    Close-up view of medical equipment on tray.
    Medical equipment on metal tray. — Stock Photo
    Medical equipment on metal tray.
    Close-up view of ampoule and syringe on mirror surface. — Stock Photo
    Close-up view of ampoule and syringe on mirror surface.
    Medical equipment on metal tray. — Stock Photo
    Medical equipment on metal tray.
    Pipetting samples into microcentrifuge tubes — Stock Photo
    Pipetting samples into microcentrifuge tubes
    Drug ampoules and syringes — Stock Photo
    Drug ampoules and syringes
    Pipetting samples into microcentrifuge tubes — Stock Photo
    Pipetting samples into microcentrifuge tubes
    Drug ampoules and syringes — Stock Photo
    Drug ampoules and syringes