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Which bacterium causes peptic ulcers? Who discovered the pathogen for the first time?

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NCERT Important Questions Class 9 Science biology Chapter 13
Important NCERT Extra Questions
Chapter 13 Why do We Fall ill
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board

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  1. Bacterium causing peptic ulcers. Helicobacter pylori. Discovery. Warren (1984), Marshal and Warren (1985).

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