Portal hypertension in children.
D000293:Adolescent; D004932:Esophageal and Gastric Varices / Q000209:etiology; D006471:Gastrointestinal Hemorrhage / Q000209:etiology / Q000628:therapy; D006801:Humans; D006975:Hypertension, Portal / Q000150:complications / Q000175:diagnosis; D007223:Infant; D008297:Male