title: Systems of life. No. 156. Senior systems. 21.
authors.forename: A
authors.initials: A
authors.lastname: Roberts
mesh_terms: D000208:Acute Disease; D000368:Aged; D002908:Chronic Disease; D006801:Humans; D008107:Liver Diseases / Q000451:nursing* / Q000503:physiopathology / Q000628:therapy; D008297:Male; D010195:Pancreatitis / Q000451:nursing* / Q000503:physiopathology