Is There Bacteria in Our Stomachs?

In 19 54, e d. Palmer published a paper that changed how doctors thought about stomach ultures. A physician named barry marshall grew sceptical of the acid theory. His experiments suggested that ulcers were caused by bacteria, not stomach acid. But this theory was met with stony faced resistance and he couldn't even get his articles published. In fact, i understand that samulwis himself suffered a nervous breakdown. How how did his own story end?