Portal hypertension in childhood.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D006975:Hypertension, Portal / Q000175:diagnosis / Q000209:etiology / Q000601:surgery; D011167:Portacaval Shunt, Surgical; D011169:Portal Vein; D013156:Splenectomy