title: Expanding roles of hospital epidemiology: severity of illness indicators.
authors.affiliation: New Jersey Medical School, Hackensack.
authors.forename: P A
authors.initials: PA
authors.lastname: Gross
mesh_terms: D003953:Diagnosis-Related Groups; D004282:Documentation; D004813:Epidemiology; D006295:Health Resources / Q000191:economics / Q000706:statistics & numerical data; D006761:Hospitals; D006801:Humans; D011785:Quality Assurance, Health Care; D012040:Regional Health Planning; D012720:Severity of Illness Index; D012984:Software