1. Helicobacter pylori: Controversies and an Approach to Management
JoANN E. ORMAND, M.D., NICHOLAS J. TALLEY, M.B., Ph.D. 
Mayo Clinic Proceedings 
Volume 65, Issue 3, Pages (March 1990)
DOI: /S (12)
Copyright © 1990 Mayo Foundation for Medical Education and Research Terms and Conditions

2. Fig. 1
Scanning electron micrograph, demonstrating a spiral-shaped Helicobacter pylori organism along with a curved and coccoid form. (×25,000.)
(From Bode and associates.7 By permission of Norwegian University Press.) (Photograph courtesy of Dr. Peter Malfertheiner.)
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1990 Mayo Foundation for Medical Education and Research Terms and Conditions

3. Fig. 2
a, Electron micrograph, showing Helicobacter pylori in close approximation to the gastric epithelium (arrows). (×18,000.) b and c, H. pylori forming an adhesion to a surface mucous cell (arrows). (×114,000.)
(Part c from Bode and associates.7 By permission of Norwegian University Press.) (Photograph courtesy of Dr. Peter Malfertheiner.)
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1990 Mayo Foundation for Medical Education and Research Terms and Conditions

4. Fig. 3
Photomicrograph of a Warthin-Starry silver-stained gastric biopsy specimen, showing numerous Helicobacter pylori organisms (arrows). (×160.)
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1990 Mayo Foundation for Medical Education and Research Terms and Conditions

5. Fig. 4
Ranges and means of reported Helicobacter pylori prevalence rates in various gastroduodenal entities. Eosinophilic = eosinophilic gastritis; Crohn's = Crohn's gastritis; Ménétrier's = Ménétrier's disease; PA = pernicious anemia; Normal = histologically normal gastric mucosa; Gastric Ca = gastric adenocarcinoma; NUD = nonulcer dyspepsia; GU = gastric ulcer (benign); Nonsp gastritis = chronic nonspecific gastritis; DU = duodenal ulcer.
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1990 Mayo Foundation for Medical Education and Research Terms and Conditions

6. Fig. 5
Helicobacter pylori prevalence rates plotted by age in three industrialized nations (United Kingdom [UK],54 United States [USA],53 and New Zealand55) and one nonindustrialized nation (Algeria62).
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1990 Mayo Foundation for Medical Education and Research Terms and Conditions