1. Berger, J. C. (1959). Surgical treatment of decubitus ulcers. Plast. Reconst. Surg., 20, 206
2. Fernie, G. R. (1993). Biomechanical aspects of the aetiology of decubitus ulcers on human patients. Ph.D. Thesis, University of Strathclyde, Scotland
3. Gardner, W. J., Anderson, R. and Lyden, M. (1954). The alternating pressure pad—an aid in the proper handling of decubitus ulcers. Arch. Phys. Med. Rehab., 35, 578
4. Petersen, N. C. and Bittmann, S. (1971). The epidemiology of pressure sores. Scand. J. Plast. Reconstr. Surg., 5, 62–66
5. Reswick, J. B. and Nickel, V. L. (1974). Annual Report of Progress. RehabilitationEngineering Center at Rancho Los Amigos Hospital, Downey, California