Researchers conducted a retrospective cohort study to determine whether upper gastrointestinal mucosal damage is linked to increased Parkinson disease risk.
Background: Some people who suffer an upper gastrointestinal bleed or perforation die. The mortality rate was estimated at 12% in studies published before 1997, but a systematic survey of more ...
a common cause of upper gastrointestinal bleeding Causes of acute upper gastrointestinal hemorrhage in patients with HIV infection. (A) Causes in 179 patients with CD4 counts <200/µl.