title: Regional analgesia in intensive care unit.
authors.affiliation: Department of Anesthesiology and Critical Care Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran ; Pain Research Center, Shahid Sadoughi University of Medical Sciences and Health Services, Yazd, Iran.
authors.forename: Mohammad Reza
authors.initials: MR
authors.lastname: Hajiesmaeili
authors.forename: Mahsa
authors.initials: M
authors.lastname: Motavaf
authors.forename: Saeid
authors.initials: S
authors.lastname: Safari
keywords: Analgesia; Epidural Anesthesia; Intensive Care Units; Pain