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    Asian girl with mother having eye test in clinic. — Stock Photo
    Asian girl with mother having eye test in clinic.
    Urine sample in tube on surgical tray. — Stock Photo
    Urine sample in tube on surgical tray.
    Female scientist holding blood samples in test tubes. — Stock Photo
    Female scientist holding blood samples in test tubes.
    Hand in latex glove holding ear of wheat — Stock Photo
    Hand in latex glove holding ear of wheat
    Close-up of female hand using pen-like lancing device for prick test. — Stock Photo
    Close-up of female hand using pen-like lancing device for prick test.
    Hand in latex glove holding peanut — Stock Photo
    Hand in latex glove holding peanut
    Pill in Petri dish on gray background. — Stock Photo
    Pill in Petri dish on gray background.
    Optician testing senior man eyesight. — Stock Photo
    Optician testing senior man eyesight.
    Hand holding multi well plate with samples with DNA results in background. — Stock Photo
    Hand holding multi well plate with samples with DNA results in background.
    Asian girl with mother having eye test in clinic. — Stock Photo
    Asian girl with mother having eye test in clinic.
    Pool of blood in watch glass with syringe. — Stock Photo
    Pool of blood in watch glass with syringe.
    Patient undergoing patch test in allergy clinic. — Stock Photo
    Patient undergoing patch test in allergy clinic.
    Petri dishes on laboratory table, close-up. — Stock Photo
    Petri dishes on laboratory table, close-up.
    Close-up view of tubes with blood samples. — Stock Photo
    Close-up view of tubes with blood samples.
    Pills in Petri dishes on gray background. — Stock Photo
    Pills in Petri dishes on gray background.
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Pill in Petri dish on gray background. — Stock Photo
    Pill in Petri dish on gray background.
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Patient undergoing a skin prick test in allergy clinic. — Stock Photo
    Patient undergoing a skin prick test in allergy clinic.
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Patient undergoing skin prick test in allergy clinic. — Stock Photo
    Patient undergoing skin prick test in allergy clinic.
    Pool of blood in watch glass with syringe. — Stock Photo
    Pool of blood in watch glass with syringe.
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    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.
    Close-up view of vacutainer with needle on tray. — Stock Photo
    Close-up view of vacutainer with needle on tray.
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Senior man exhaling into peak flow reader. — Stock Photo
    Senior man exhaling into peak flow reader.
    Urine sample and diagnostic dipstick on surgical tray. — Stock Photo
    Urine sample and diagnostic dipstick on surgical tray.
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Patient undergoing skin prick test in allergy clinic. — Stock Photo
    Patient undergoing skin prick test in allergy clinic.
    Close-up view of researcher hand taking blood sample from rack of medical samples. — Stock Photo
    Close-up view of researcher hand taking blood sample from rack of medical samples.
    Close-up of rack of sample tubes with blood for analysis. — Stock Photo
    Close-up of rack of sample tubes with blood for analysis.
    Blood samples tubes in polystyrene tray. — Stock Photo
    Blood samples tubes in polystyrene tray.
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    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 scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    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
    Police evidence bag — Stock Photo
    Police evidence bag
    Woman doing finger prick test. — Stock Photo
    Woman doing finger prick test.
    Pills in petri dishes — Stock Photo
    Pills in petri dishes
    Police evidence bag — Stock Photo
    Police evidence bag
    Pipetting samples into microcentrifuge tubes — Stock Photo
    Pipetting samples into microcentrifuge tubes
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Woman doing finger prick test — Stock Photo
    Woman doing finger prick test
    Pills in a Petri dish — Stock Photo
    Pills in a Petri dish
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Woman doing finger prick test. — Stock Photo
    Woman doing finger prick test.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Pills in a Petri dish — Stock Photo
    Pills in a Petri dish
    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
    Police evidence bag — Stock Photo
    Police evidence bag
    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