RT Journal Article SR Electronic T1 Taylor P. From patient data to medical knowledge: the principles and practice of health informatics. London: Blackwell BMJ Books, 2006. JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 157 OP 157 DO 10.1136/ebm.12.5.157 VO 12 IS 5 A1 Susan Wells YR 2007 UL http://ebm.bmj.com/content/12/5/157.abstract AB