Intraservice time is not a proxy for operating room time.
Hannenberg
Alexander A
AA
Cohen
Norman A
NA
D000761:Anesthesia Department, Hospital / Q000191:economics*; D000776:Anesthesiology / Q000191:economics*; D006801:Humans; D009873:Operating Rooms; D012456:Salaries and Fringe Benefits; D013997:Time Factors; D016526:Workload / Q000191:economics*