RT Journal Article SR Electronic T1 Centres of evidence-based nursing: directions and challenges JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 102 OP 104 DO 10.1136/ebn.2.4.102 VO 2 IS 4 A1 Donna Ciliska A1 Alba Dicenso A1 Nicky Cullum YR 1999 UL http://ebn.bmj.com/content/2/4/102.abstract AB