RT Journal Article SR Electronic T1 Basement membrane JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 59 OP 66 DO 10.1136/jcp.31.Suppl_12.59 VO 31 IS Suppl 12 A1 Ireland, John T. YR 1978 UL http://jcp.bmj.com/content/31/Suppl_12/59.abstract AB