RT Journal Article SR Electronic T1 Ultrastructure of the Small Intestinal Mucosa JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 609 OP 609 DO 10.1136/jcp.36.5.609-b VO 36 IS 5 A1 Toner, PG YR 1983 UL http://jcp.bmj.com/content/36/5/609.2.abstract AB