RT Journal Article SR Electronic T1 Anti-HBc IgM assays and diagnosis of acute hepatitis B. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 782 OP 783 DO 10.1136/jcp.43.9.782-c VO 43 IS 9 A1 D J Morris YR 1990 UL http://jcp.bmj.com/content/43/9/782.3.abstract AB