RT Journal Article SR Electronic T1 Statistics with Confidence. Confidence Intervals and Statistical Guidelines JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 1315 OP 1315 DO 10.1136/jcp.42.12.1315-c VO 42 IS 12 A1 Linda M Anderson YR 1989 UL http://jcp.bmj.com/content/42/12/1315.3.abstract AB