RT Journal Article SR Electronic T1 Other Articles Noted JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 105 OP 112 DO 10.1136/ebn.2.4.105 VO 2 IS 4 YR 1999 UL http://ebn.bmj.com/content/2/4/105.abstract AB