Wallen RD, TVN Ballantine, GVS Parr, and MJ Maisels; “Computer-based patient data management: Effective use of equipment and personnel”; Obstetrica et Gynecologica Scandinavia: S109 (Proceedings of the First International Symposium on Computers in Perinatal Medicine); 1982; pp. 116-118.
Parr GVS and RD Wallen; “Utilization and cost effectiveness of computerized patient data management in the multi-specialty intensive care unit”; in Nair, S. ed.: Proceedings of the Third Annual Symposium of Computers in Critical Care and Pulmonary Medicine.
Wallen RD; “Interaction of cardiac monitors and pacemaker pulses — performance criteria in the AAMI cardiac monitor standard”; in Cardiac Monitoring in a Complex Patient Care Environment; Association for the Advancement of Medical Instrumentation, Arlington, Virginia; 1982; pp. 55-59.
Wallen RD; “Interacting technologies in the clinical environment: The clinical engineering perspective”; in Cardiac Monitoring in a Complex Patient Care Environment; Association for the Advancement of Medical Instrumentation, Arlington, Virginia; 1982; pp. 77-78.
Wallen RD ed.; Electrocardiographic Data Acquisition and Applications for Cardiac Dysrhythmia Monitoring; Association for the Advancement of Medical Instrumentation; 1983; 27 pp.
Wallen RD; “Arrhythmia Information: A Bipedal Stance”; in Patient Monitoring and Data Management; Association for the Advancement of Medical Instrumentation, Arlington, Virginia; 1985; pp. 14-15.
Parr GVS, RD Wallen, and DA Campbell; “Computerized patient data management in a multispecialty intensive care unit”; Medical Electronics, June 1986, pp. 98-102.
Wallen RD, J-L Kastner, JR Matthews; “Integrated solutions for the operating room”; Proceedings of the IEEE Engineering in Medicine and Biology Society, November 1986.
Wallen RD; “Applications, technologies, and performance for measuring respiratory and anesthetic gases”; Proceedings Twelfth Medical Monitoring Technology Conference, Vail, Colorado; March 1992.
Wallen RD; “Technologies and applications of point-of-care testing”; HealthTech ’98 Official Conference Proceedings; May 1998.
Wallen RD, R May, K Reiger, JM Holloway, WH Cover; “Sterilization of a novel medical device using broad-spectrum pulsed light”; Biomedical Instrumentation and Technology; Vol. 35, No. 5; Sep/Oct 2001; pp. 323-330.
Wallen RD; Fundamentals of Acoustic Stethoscopes; Biomedical Instrumentation and Technology; Vol. 40, No. 5; September/October 2006; pp. 367-370.
Pratt B, L Roteliuk, F Hatib, J Frazier, RD Wallen; “Calculating arterial pressure-based cardiac output (APCO) using a novel measurement and analysis method”; Biomedical Instrumentation and Technology; 2007.