title: Due caution using early beta-blockers for acute myocardial infarction.
authors.affiliation: Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
authors.forename: Scott
authors.initials: S
authors.lastname: McKee
authors.forename: Holt
authors.initials: H
authors.lastname: Murray
authors.forename: John A
authors.initials: JA
authors.lastname: Kellum