title: Fifty-five years ago in Anesthesia & Analgesia. E. A. Rovenstine: A method of combining anesthetic and surgical records for statistical purposes. Anesthesia and Analgesia: 1934;13:122-128.
mesh_terms: D000776:Anesthesiology / Q000266:history*; D013502:General Surgery / Q000266:history; D049673:History, 20th Century; D008499:Medical Records; D010506:Periodicals as Topic / Q000266:history; D014922:Wisconsin