title: Measures of parasympathetic function and risk stratification in critical care.
authors.forename: Phyllis K
authors.initials: PK
authors.lastname: Stein
mesh_terms: D003422:Critical Care; D016638:Critical Illness; D006339:Heart Rate; D006801:Humans; D010275:Parasympathetic Nervous System / Q000503:physiopathology*; D018570:Risk Assessment / Q000379:methods