RT Journal Article SR Electronic T1 The prognostic benefits of routine staining with elastica to increase detection of venous invasion in colorectal cancer specimens JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 1142 OP 1142 DO 10.1136/jclinpath-2011-200284 VO 64 IS 12 A1 Campbell S D Roxburgh A1 Alan K Foulis YR 2011 UL http://jcp.bmj.com/content/64/12/1142.1.abstract AB