title: Critical care medicine.
authors.affiliation: University of Chicago, IL.
authors.forename: G A
authors.initials: GA
authors.lastname: Schmidt
authors.forename: L D
authors.initials: LD
authors.lastname: Wood
mesh_terms: D003422:Critical Care / Q000379:methods / Q000639:trends*; D006801:Humans; D012121:Respiration, Artificial / Q000379:methods* / Q000706:statistics & numerical data; D014481:United States