RT Journal Article SR Electronic T1 Value of factor VIII related antigen as a means of demonstrating extramedullary haemopoiesis. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 355 DO 10.1136/jcp.38.3.355-a VO 38 IS 3 A1 J Crocker A1 P J Smith YR 1985 UL http://jcp.bmj.com/content/38/3/355.1.abstract AB