RT Journal Article SR Electronic T1 Correction JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 8 OP 8 DO 10.1136/ebn.6.1.8 VO 6 IS 1 YR 2003 UL http://ebn.bmj.com/content/6/1/8.abstract AB