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    Pool of blood in watch glass with syringe. — Stock Photo
    Pool of blood in watch glass with syringe.
    Medical sample tubes labelled with barcodes. — Stock Photo
    Medical sample tubes labelled with barcodes.
    Pipette dripping liquid into test tubes. — Stock Photo
    Pipette dripping liquid into test tubes.
    Labelled test tubes with blood samples. — Stock Photo
    Labelled test tubes with blood samples.
    Female radiologist studying CT scans on monitors. — Stock Photo
    Female radiologist studying CT scans on monitors.
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Close-up view of medical syringes with blood sample. — Stock Photo
    Close-up view of medical syringes with blood sample.
    Patient undergoing skin prick test in allergy clinic. — Stock Photo
    Patient undergoing skin prick test in allergy clinic.
    Blood sample and syringe on table. — Stock Photo
    Blood sample and syringe on table.
    Top view of dead mouse in Petri dish. — Stock Photo
    Top view of dead mouse in Petri dish.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Close-up view of vacutainer with needle on tray. — Stock Photo
    Close-up view of vacutainer with needle on tray.
    Labelled test tubes with blood samples. — Stock Photo
    Labelled test tubes with blood samples.
    Male laboratory assistant holding test tube rack. — Stock Photo
    Male laboratory assistant holding test tube rack.
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Urine sample and diagnostic dipstick on surgical tray. — Stock Photo
    Urine sample and diagnostic dipstick on surgical tray.
    Group of laboratory test tubes with colored liquids. — Stock Photo
    Group of laboratory test tubes with colored liquids.
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Radiologist making notes while patient lying in CT scanner. — Stock Photo
    Radiologist making notes while patient lying in CT scanner.
    Radiologist recording results of CT scanning. — Stock Photo
    Radiologist recording results of CT scanning.
    Patient undergoing skin prick test in allergy clinic. — Stock Photo
    Patient undergoing skin prick test in allergy clinic.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Group of laboratory test tubes with colored liquids. — Stock Photo
    Group of laboratory test tubes with colored liquids.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Close-up of rack of sample tubes with blood for analysis. — Stock Photo
    Close-up of rack of sample tubes with blood for analysis.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Blood samples tubes in polystyrene tray. — Stock Photo
    Blood samples tubes in polystyrene tray.
    Radiologist recording results of CT scanning. — Stock Photo
    Radiologist recording results of CT scanning.
    Hospital radiologist pointing at CT scans. — Stock Photo
    Hospital radiologist pointing at CT scans.
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Hospital radiologist sitting at desk in front of CT scans. — Stock Photo
    Hospital radiologist sitting at desk in front of CT scans.
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Radiologist talking to patient in CT scanner. — Stock Photo
    Radiologist talking to patient in CT scanner.
    Close-up of hands of scientist holding test tube. — Stock Photo
    Close-up of hands of scientist holding test tube.
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Hospital radiologist sitting at desk in front of CT scans. — Stock Photo
    Hospital radiologist sitting at desk in front of CT scans.
    Female radiologist studying CT scans on monitors. — Stock Photo
    Female radiologist studying CT scans on monitors.
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Female radiologist studying CT scans on monitors. — Stock Photo
    Female radiologist studying CT scans on monitors.
    Woman holding urine sample — Stock Photo
    Woman holding urine sample
    Woman doing finger prick test. — Stock Photo
    Woman doing finger prick test.
    Woman doing finger prick test — Stock Photo
    Woman doing finger prick test
    Doctors hands making a research in laboratory — Stock Photo
    Doctors hands making a research in laboratory
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Woman doing finger prick test. — Stock Photo
    Woman doing finger prick test.
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Woman doing finger prick test — Stock Photo
    Woman doing finger prick test
    Pile of filled medical tesing tubes — Stock Photo
    Pile of filled medical tesing tubes
    Forensic DNA autoradiogram — Stock Photo
    Forensic DNA autoradiogram
    Medical test machine with loaded test tubes — Stock Photo
    Medical test machine with loaded test tubes
    Female hands testing blood sample — Stock Photo
    Female hands testing blood sample
    Tubes containing blood samples — Stock Photo
    Tubes containing blood samples
    Forensic DNA autoradiogram — Stock Photo
    Forensic DNA autoradiogram