Answers

2016-01-04T19:04:38+05:30
Australian scientists,Barry Marshall and Robin Warren.
It is caused by Helicobacter pylori named bacteria.
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bacteria named Helicobacter Pylori
2016-01-05T15:04:23+05:30
Barry Marshall and Robin Warren proved that peptic ulcer does not occur due to lifestyle reasons instead it is caused by a bacteria named Helicobacter Pylori .
          i hope it helps....................^_^

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