1. Beecher HK (1940) The first anaesthesia records (Codman, Cushing). Surg Gynecol Obstet 71: 689
2. Burton LW, Block F, Davis D, et al. (1980) The Duke automatic monitoring system (DAME) and the objective anesthesia record. Scientific Exhibiet, Annual Meeting Am Soc Anesthesiolo, St. Louis, 1980
3. Cushing HW (1903) On routine determinations of arterial tension in operating room and clinic. Boston Med Surg J 148: 291
4. Mitchell MM, Meathe EA, Ozaki GT, et al. (1979) Application of computer technology to intraoperative patient monitoring ( Abstr)., Anestheisiology [suppl] 5: 334
5. Moore DC (1969) Professional data anesthetic record; an explanation of reasons for development, use and method of coding, 3rd ed. The Mason Clinic, Virginia Mason Hospital, Seattle, Wash