Guidelines on appropriate indications for upper gastrointestinal endoscopy.
Wilcox
M H
MH
Cunniffe
J G
JG
Tremlett
C
C
D004415:Dyspepsia / Q000209:etiology*; D016099:Endoscopy, Gastrointestinal / Q000706:statistics & numerical data*; D016481:Helicobacter Infections / Q000175:diagnosis*; D016480:Helicobacter pylori; D006801:Humans; D008875:Middle Aged