Word: kussmaul
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...idea of observing the stomach directly through an inserted pipe originated as far back as the middle of the 19th Century, when Adolf Kussmaul in Germany persuaded a professional sword-swallower to gulp down a long, straight metal tube in the interests of science. But until Dr. Schindler invented the flexible gastroscope in 1932, gastroscopy was seldom practiced, for it was difficult, dangerous, painful...
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