Parr GVS and RD Wallen; “Computerized patient data management in the multi-specialty intensive care unit”; Proceedings AAMI 16th Annual Meeting, Washington, D.C.; May 1981; p. 77.

Wallen RD, TVN Ballantine; “The emerging role of clinical engineering in direct patient care”; Proceedings AAMI 16th Annual Meeting, Washington, D.C.; May 1981; p. 107.

Wallen RD and SM Cardwell; “Design criteria for a local area network in an intensive care environment”; Abstracts of Congress on Medical Instrumentation – Essential Qualities; May 1984; p. A12.

Wallen RD, ED Helfenbein, MN Shaya, DM Sullivan, JY Wang; “Assessing Arrhythmia Algorithm Performance”; Proceedings AAMI 20th Annual Meeting, Boston, Massachusetts; May 1985, p. 91.

Wallen RD, P Basser; “Pressure system frequency characteristics”; Proceedings AAMI 22nd Annual Meeting, Los Angeles, California, April 1987.

Wallen RD; “Technology implementation and performance in anesthetic gas analysis”; Anesthesiology; Vol.73, No.3A, September 1990; p.A508

Wallen RD; “Applications and technology for delivered anesthetic gases”; Proceedings AAMI 26th Annual Meeting, Washington, D.C.; May 1991; p.87.

Wallen RD; “Application of oxygenation and ventilation management”; Proceedings AAMI 27th Annual Meeting, Anaheim, California; June 1992; p.90.

Wallen RD; “Ventricular arrhythmia monitoring“; Proceedings AAMI 30th Annual Meeting, Anaheim, California; June 1995.

Wallen RD; “Mapping the future of arrhythmia and ischemia detection”; Proceedings AAMI 31st Annual Meeting, Philadelphia, Pennsylvania; June 1996; p.115.

Wallen RD; “Technologies applied to point-of-care testing”; Proceedings AAMI 32nd Annual Meeting, Washington, D.C.; June 1997.

Wallen RD; “Data presentation methods for pathogen inactivation”; AAMI Annual Meeting, Baltimore, Maryland; June 2001.

Wallen RD; “Confusion in Clinical Engineering”; Biomedical Instrumentation and Technology; Vol. 35, No. 6; Nov/Dec 2001; pp. 361-362.

Wallen RD; Disinfection, Sterilization, and Preservation, 5ed; Book review in Biomedical Instrumentation and Technology; Vol. 36, No. 2; March/April 2002; p. 141.

Wallen RD; A Guide to Patient Care Technology: A Review of Medical Equipment; Book review in Biomedical Instrumentation and Technology; Vol. 37, No. 3; May/June 2003; p. 223.

Wallen RD; System Theory and Practical Applications of Biomedical Signals; Book review in Biomedical Instrumentation and Technology; Vol. 38, No. 3; May/June 2004; p. 220.

Wallen RD; The Illustrated Wavelet Transform Handbook; Book review in Biomedical Instrumentation and Technology; Vol. 38, No. 4; July/August 2004; p. 298.

Wallen RD; Designing Usability into Medical Products; Book review in Biomedical Instrumentation and Technology; Vol. 40, No. 1; January/February 2006; p. 60.

Wallen RD; Human Error in Medicine; Book review in Biomedical Instrumentation and Technology; Vol. 40, No. 4; July/August 2006; p. 290

Wallen RD; Engineering for Patient Safety; Book review in Biomedical Instrumentation and Technology;. Vol. 40, No. 6; November/December 2006; p. 440.

Schwandtner S, P Martin, C Nix, S Balk, R Wallen, R Kelley, T Sieß; New ease of use Impella® pump controller: From user input through engineering to first clinical results; Proceedings of the International Society for Rotary Blood Pumps; October 2010