RT Journal Article SR Electronic T1 Endoscopy and Biopsy in Gastroenterology JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 480 OP 480 DO 10.1136/jcp.35.4.480-e VO 35 IS 4 A1 AB Price YR 1982 UL http://jcp.bmj.com/content/35/4/480.5.abstract AB