Marshall is well-known for proving that the bacterium Helicobacter pylori is the cause of most peptic ulcers , reversing decades of medical doctrine which held that ulcers were caused by stress , spicy foods , and too much acid .
After this work at Fremantle Hospital , Marshall did research at Royal Perth Hospital -LRB- 1985-86 -RRB- and at the University of Virginia , USA -LRB- 1986-1996 -RRB- , before going back to Australia .
After this work at Fremantle Hospital , Marshall did research at Royal Perth Hospital -LRB- 1985-86 -RRB- and at the University of Virginia , USA -LRB- 1986-1996 -RRB- , before going back to Australia .
Simplificar este texto: Marshall is well-known for proving that the bacterium Helicobacter pylori is the cause of most peptic ulcers , reversing decades of medical doctrine which held that ulcers were caused by stress , spicy foods , and too much acid . Producción: