1. EPUAP pressure ulcer prevalence survey in Sweden: a two-year follow-up of quality indicators;Gunningberg;J Wound Ostomy Continence Nurs,2006
2. Implementing a pressure ulcer prevention program and enhancing the role of the CWOCN: impact on outcomes;Hiser;Ostomy Wound Manage,2006
3. Pressure ulcers in German nursing homes and acute care hospitals: prevalence, frequency, and ulcer characteristics;Lahmann;Ostomy Wound Manage,2006
4. Results of nine international pressure ulcer prevalence surveys: 1989 to 2005;Van Gilder;Ostomy Wound Manage,2008
5. Etiology of decubitus ulcers;Kosiak;Arch Phys Med Rehabil,1961