RT Journal Article SR Electronic T1 Malignant Effusions JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 865 OP 865 DO 10.1136/jcp.49.10.865-b VO 49 IS 10 A1 Oommen, Rachel YR 1996 UL http://jcp.bmj.com/content/49/10/865.2.abstract AB