title: Preface.
authors.affiliation: Department of Anesthesiology, Yale University School of Medicine New Haven, Connecticut.
authors.forename: Ramachandran
authors.initials: R
authors.lastname: Ramani
mesh_terms: D000776:Anesthesiology / Q000379:methods*; D003952:Diagnostic Imaging / Q000379:methods*; D006801:Humans; D010506:Periodicals as Topic