RT Journal Article SR Electronic T1 4 layer bandages were better than 1 layer bandages, and pentoxifylline may be better than placebo for venous leg ulcers JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 87 OP 87 DO 10.1136/ebn.10.3.87 VO 10 IS 3 YR 2007 UL http://ebn.bmj.com/content/10/3/87.abstract AB