Derek Gillen

Helicobacter pylori infection and chronic gastric acid hyposecretion.

E. El-Omar, K. Oien, K. McColl, 1997, Gastroenterology.

Gastric histology, serological markers and age as predictors of gastric acid secretion in patients infected with Helicobacter pylori

E. El-Omar, K. Oien, K. McColl, 2006, Journal of Clinical Pathology.