RT Journal Article SR Electronic T1 Spiral shaped bacteria in gastric mucosa. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 173 DO 10.1136/jcp.43.2.173-a VO 43 IS 2 A1 N Figura A1 P Guglielmetti A1 S Quaranta YR 1990 UL http://jcp.bmj.com/content/43/2/173.1.abstract AB