RT Journal Article SR Electronic T1 Review: specially designed products to prevent or heal pressure sores are more effective than standard mattresses JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 54 OP 54 DO 10.1136/ebn.3.2.54 VO 3 IS 2 YR 2000 UL http://ebn.bmj.com/content/3/2/54.abstract AB