Childress, D.S., Biomedical Engineering, Article, The Campaign for Medical Research and the Life Sciences, Northwestern University, p. 17, 1987. 0180

Childress, D.S., Rehabilitation Engineering and Technology: The Right Tech Public Policy Issues Impacting the Future of Rehabilitation in America, Ed. by W. F. Emener., 2nd Ann. National Education Forum, Aug.1987. National Clearing House of Rehabilitation Training Materials, Chapter 5, pp. 112-130.

Connelly, T.J., Lautenschlager, E.P., and Wixson, R.L., The Role of Porosity in the Shrinkage of Acrylic Bone Cement, Proceedings of the 13th Annual Meeting of the Society for Biomaterials, p. 114, New York, NY, June, 1987.

Heckathorne, C.W., Research Engineers Develop Portable Communication Aid, Northwestern Observer, Vol. 2, No. 9, p. 3, February 16, 1987.

Heckathorne, C.W., Alternative Communication Systems 620-D09, Predictive Techniques in Augmentative Communication, Selected Bibliography, May, 1987.

Heckathorne, C.W., Voda, J.A., Leibowitz, L., Design Rationale and Evaluation of the Portable Anticipatory Communication Aid-PACA Augmentative & Alternative Communication, pp. 170-180, May, 1987.

Heckathorne, C.W. Synergetic Prehensor Myoelectric System Basic Myo-Testing: a Guide for Prosthetists Laboratory Report, Northwestern University Prosthetics Research Laboratory.

Jagacinski, R., Hawthorne, D.L., Childress, D.S., Van Vorhis, R.L., Strysik, J.S., Using A Time Delay to Alleviate Head Oscillations with an Electric Wheelchair, Proceedings of the 10th Annual Conference of RESNA, p. 492, San Jose, CA, June, 1987.

Lewis, J.L., and Lew, W.D., Bioengineering of Total Joint Replacement, The Handbook of Bioengineering, McGraw-Hill, ed. R. Skalak, Chapter 40, pp. 40.1-40.25, 1987.

Lewis, J.L., Keer, L.M., and Santare, M.H., Cracks Emanating from a Fluid Filled Void Loaded in Compression: Application to the Bone-Implant Interface, J. of Biomechanics Engineering, Vol. 109, pp. 55-59, February, 1987.

Lewis, J.L., and Mente, P.L., Young's Modulus of Trabecular Bone Tissue, Proceedings of the 33rd Annual Meeting of the Orthopaedic Research Society (ORS), Vol. 12, p. 49, San Francisco, CA, January, 1987.

Lewis, J.L., Hill, J.A., Ohland, K., and Lew, W.D., Knee Joint Laxity and Ligament Force Changes with ACL Repairs, Proceedings of the 33rd Annual Meeting of the Orthopaedic Research Society (ORS), Vol. 12, p. 270, San Francisco, CA, January, 1987.

Pfrommer M., and Dvorak D., The Technical Aids and Assistance for Disabled Center: A Consumer Project, Proceedings of the 10th Annual Conference of RESNA, p. 35, San Jose, CA, June, 1987.

Rovick, J.S., Walker, P.S., Garg, A., and Seijong, S., Computer Graphics Looks at the Knee: Motion Monitoring to the Total Artificial Joint, SOMA Magazine, Vol. 1, No. 2, pp. 6-13, July, 1986.

Shuck, P.Y., Childress, D.S., Comparative Analysis of Forward and Backward Walking and Stepping, Proceedings of the 10th Annual Conference of RESNA, pp. 320-322, San Jose, CA, June, 1987.

Shuck, P.Y., and Childress, D.S., A Kinematic Comparison of Backward and Forward Walking and Stepping, ASME Symposium on Biomechanics of Normal and Prosthetics Gait, BED-Vol. 4, DSC-Vol. 7, Ed. by J.L. Stein, pp. 117-120, Boston, MA, December, 1987.

Shuck, P.Y., Childress, D.S., Comparative Analysis of Forward and Backward Human Walking and Stepping, Proceedings of the RESNA 10th Annual Conference, pp. 320-322, San Jose, CA, 1987.

Steege, J.W., Schnur, D.S., Childress, D.S., Prediction of Pressure at the Below-Knee Socket Interface by Finite Element Analysis ASME Symposium on Biomechanics of Normal and Prosthetics Gait, BED-Vol. 4, DSC-Vol. 7, Ed. by J.L. Stein, pp. 39-43, Boston, MA, December, 1987.

Steege, J.W., Schnur, D.S., Van Vorhis, R.L., and Rovick, J.S., Finite Element Analysis as a Method of Pressure Prediction at the Below-Knee Socket Interface, Proceedings of the 10th Annual Conference of RESNA, pp. 814-816, San Jose, CA, June, 1987.

Steege, J.W., Lewis, J.L., Keer, L.M., and Wixson, R.L., Crack Propagation at the Bone-Cement Interface, Proceedings of the 33rd Annual Meeting of the Orthopaedic Research Society (ORS), Vol. 12, p. 54, January, 1987.

Vahey, J.W., and Lewis, J.L., Elastic Moduli, Yield Stress, and Ultimate Stress of Cancellous Bone in the Canine Proximal Femur, J. of Biomechanics, Vol. 20, No. 1, pp. 29-33, 1987.

Van Vorhis, R.L., Rovick, J.S., Anatomically-Based Gait Analysis for Below-Knee Prosthesis-An Experimental Method, ASME Symposium on Biomechanics of Normal and Prosthetics Gait, B10-7B, BED-Vol. 4, DSC-Vol. 7, Ed. by J.L. Stein, pp. 121-126, Boston, MA, Dec., 1987.

Voda, J.A., Leibowitz, L., and Wu, Y., Clinical Applications of an Auditory Scanning Software Program Proceedings of the RESNA 10th Annual Conference, pp. 139-141, San Jose, CA, 1987.

Wixson, R.L., Elasky, N., and Lewis, J.L., Mechanical Properties of Proximal Tibial Cancellous Bone in Arthritic Knees, Proceedings of the 33rd Annual Meeting of the Orthopaedic Research Society (ORS), Vol. 12, p. 50, San Francisco, CA , January, 1987.

Wixson, R.L., Lautenschlager, E.P., Hamati, F.I., and Novak, M.A., The Effect of Notching of Simplex-P Bone Cement on the Fatigue Lives of Regular VS. Vacuum Mixed Specimens, Proceedings of the 33rd Annual Meeting of the Orthopaedic Research Society (ORS), Vol. 12, p. 226, San Francisco, CA, January, 1987.

Wixson, R.L., Lautenschlager, E.P., Novak, M.A., Vacuum Mixing of Acrylic Bone Cement, J. of Arthroplasty, Vol. 2, No. 2, pp. 141-149, June, 1987.

Wu, Y., Krick, H., Removable Rigid Dressing for Below-Knee Amputees, Clinical Prosthetics and Orthotics, Vol. 11, No. 1, pp. 33-44, 1987.