1. Barry Marshall 2005 Nobel Laureate in Medicine and Physiology
Les Lang 
Gastroenterology 
Volume 129, Issue 6, Pages (December 2005)
DOI: /j.gastro
Copyright © 2005 American Gastroenterological Association Terms and Conditions

2. Figure 1 Dr. J. Robin Warren and Dr. Barry J. Marshall.
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2005 American Gastroenterological Association Terms and Conditions

3. Figure 2
H pylori image.
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2005 American Gastroenterological Association Terms and Conditions