RT Journal Article SR Electronic T1 Diagnosing vascular invasion in colorectal carcinomas: improving reproducibility and potential pitfalls JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 543 OP 547 DO 10.1136/jclinpath-2013-201587 VO 66 IS 7 A1 Cserni, Gábor A1 Sejben, István A1 Bori, Rita YR 2013 UL http://jcp.bmj.com/content/66/7/543.abstract AB