RT Journal Article SR Electronic T1 Electron Microscopy in Human Medicine JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 573 OP 573 DO 10.1136/jcp.34.5.573-e VO 34 IS 5 A1 Julie Crow YR 1981 UL http://jcp.bmj.com/content/34/5/573.5.abstract AB