1. Gastric mucosal mast cells are increased in Helicobacter pylori-negative functional dyspepsia 
Wendy Hall, Martin Buckley, Paul Crotty, Colm A O’Morain 
Clinical Gastroenterology and Hepatology 
Volume 1, Issue 5, Pages (September 2003)
DOI: /S (03)

2. Figure 1
Immunohistochemistry of mast cell tryptase demonstrating (A ) 400× original magnification, absence of staining in antibody-free negative control; (B) 400× original magnification, mast cells in normal control antrum; (C ) 1000× original magnification, mast cells close to the epithelium in functional dyspepsia antrum; and (D) 200× original magnification, mast cells surrounding but not penetrating a lymphoid patch in inflammatory control.
Clinical Gastroenterology and Hepatology 2003 1, DOI: ( /S (03) )

3. Figure 2
Mast cell numbers detected per mm2 tissue in (A ) antrum and (B) corpus from asymptomatic controls (1), H. pylori-positive functional dyspepsia (2), H. pylori-negative functional dyspepsia (3), and inflammatory controls (4).
Clinical Gastroenterology and Hepatology 2003 1, DOI: ( /S (03) )