Goldberg, A.I., Cane, R.D., Childress, D.S., Wu, Y., Vesely, W.C., and Pfrommer, M., Combined Nasal Intermittent Positive Pressure Ventilation and Rocking Bed in Chronic Respiratory Insufficiency--Nocturnal Ventilatory Support of a Disabled Person at Home, CHEST, vol. 99, pp. 627-629, 1991.
Brennan, J.M., and Childress, D.S., Finite Element and Experimental Investigation of Above -Knee (A/K) Amputee Limb/Prosthesis Systems: A Comparative Study Advances in Bioengineering, Proceedings of The American Society of Mechanical Engineers (ASME) Winter Annual Meeting, BED Vol. 20, pp. 547-550, 1991.
Chan, R.B., and Childress, D.S., Temporal Factors of Self-Selected Free-Paced Walking: Relationships to an Inverted Pendulum Model Advances in Bioengineering, ASME, BED Vol. 20, pp. 525-530, 1991.
Chiu, C.H., Healy, K.E., Lautenschlager, E.P., The Degradation Mechanisms and Toughening Technique for Polyethylene Biomaterials, Proceedings of the 17th Annual Meeting of the Society for Biomaterials, Scottsdale, Arizona, May 1-5, 1991, p. 213.