RT Journal Article SR Electronic T1 Accessing pre-appraised evidence: fine-tuning the 5S model into a 6S model JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 99 OP 101 DO 10.1136/ebn.12.4.99-b VO 12 IS 4 A1 Alba DiCenso A1 Liz Bayley A1 R Brian Haynes YR 2009 UL http://ebn.bmj.com/content/12/4/99.2.abstract AB