Barry Marshall
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Barry Marshall pictures Barry James Marshall, AC FRS FAA (born 30 September 1951) is an Australian physician, Nobel Prize winner, and Professor of Clinical Microbiology at the University of Western Australia. He is well-known for proving that the bacteria "Helicobacter pylori" is the cause of most stomach ulcers, reversing decades of medical doctrine which held that ulcers were caused by stress, spicy foods, and too much acid Wikipedia
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