RT Journal Article SR Electronic T1 Florence Nightingale and the early origins of evidence-based nursing JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 68 OP 69 DO 10.1136/ebn.4.3.68 VO 4 IS 3 A1 Lynn McDonald YR 2001 UL http://ebn.bmj.com/content/4/3/68.abstract AB