DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Voicebox examination. Surgeon using a gastroscope to examine a patient's voicebox, or larynx, and to perform a biopsy (taking a tissue sample for testing in the laboratory). A gastroscope is a type of endoscope (flexible fibre optic tube mounted on a camera) that inserted through the mouth to examine the upper digestive system.
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