RT Journal Article SR Electronic T1 Immune escape mechanisms in ALCL JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 423 OP 425 DO 10.1136/jcp.56.6.423 VO 56 IS 6 A1 J J Oudejans A1 R L ten Berge A1 C J L M Meijer YR 2003 UL http://jcp.bmj.com/content/56/6/423.abstract AB