RT Journal Article SR Electronic T1 Impactitis: new cures for an old disease JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 817 OP 819 VO 54 IS 11 A1 P J Van Diest A1 H Holzel A1 D Burnett A1 J Crocker YR 2001 UL http://jcp.bmj.com/content/54/11/817.abstract AB