1. Vaperm patient support system: a new general purpose hospital mattress;Scales;The Lancet,1982
2. The use of pressure support equipment in nursing homes;Banks;Journal of Wound Care,1998
3. Standardising performance-based criteria for support surfaces;Krouskop;Ostomy and Wound Management,1995
4. The Economics of pressure sore prevention;Hibbs,1991
5. Pressure injuries: causes and prevention;Bliss;Hospital Medicine,1998