RT Journal Article SR Electronic T1 23 Apr 2004 to 23 Jul 2004 JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP e4 OP e4 DO 10.1136/ebn.7.4.e4 VO 7 IS 4 YR 2004 UL http://ebn.bmj.com/content/7/4/e4.abstract AB