RT Journal Article SR Electronic T1 Setting the results of individual studies in context JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 40 OP 40 DO 10.1136/ebn.1.2.40 VO 1 IS 2 A1 Chalmers, Iain YR 1998 UL http://ebn.bmj.com/content/1/2/40.1.abstract AB