RT Journal Article SR Electronic T1 Statistical analysis of comparison between laboratory methods. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 700 OP 701 DO 10.1136/jcp.44.8.700 VO 44 IS 8 A1 Altman, D G YR 1991 UL http://jcp.bmj.com/content/44/8/700.abstract AB