DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Editorial use only.
Blood glucose monitor. Person holding a digital monitor (glucometer) for measuring blood glucose levels. A small sample of blood is taken from a prick in the patient's finger and placed on a test strip (top). The strip is then placed inside the glucometer, which measures the amount of glucose in the blood sample.
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