SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
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Gastroscopy examination. Doctor carrying out an examination of a patient's digestive system using a gastroscope, a form of endoscopy used to diagnose disorders of the stomach and related parts of the gastrointestinal tract. This examination is being carried out at the gastroscopy unit at the Russian Federal Medical-Biological Agency (FMBA)'s clinical research centre in Moscow, Russia. Photographed in 2017.
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