RT Journal Article SR Electronic T1 Searching for the best evidence. Part 1: where to look JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 68 OP 70 DO 10.1136/ebn.1.3.68 VO 1 IS 3 A1 K Ann McKibbon A1 Susan Marks YR 1998 UL http://ebn.bmj.com/content/1/3/68.abstract AB