Why do oesophageal varices bleed?
D001808:Blood Vessels / Q000473:pathology; D004932:Esophageal and Gastric Varices / Q000473:pathology* / Q000503:physiopathology; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000473:pathology* / Q000503:physiopathology; D006801:Humans; D006975:Hypertension, Portal / Q000503:physiopathology; D008297:Male; D008875:Middle Aged