Reduction in omission events after implementing a Rapid Response System: a mortality review in a department of gastrointestinal surgery. - Olsen, Siri Lerstøl; Nedrebø, Bjørn S; Strand, Kristian; Søreide, Eldar; Kvaløy, Jan Terje; Hansen, Britt Sætre (BMC Health Services Research, 2023)