RT Journal Article SR Electronic T1 Lang TA, Secic M. How to report statistics in medicine. Philadelphia: American College of Physicians, 2006. This book can be obtained from www.amazon.co.uk for £33.20. JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 90 OP 91 DO 10.1136/ebm.12.3.90 VO 12 IS 3 A1 Cornell, John E A1 Lawrence, Valerie A YR 2007 UL http://ebm.bmj.com/content/12/3/90.abstract AB