RT Journal Article SR Electronic T1 Origins of electron microscopy and viral diagnosis. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 454 OP 456 DO 10.1136/jcp.50.6.454 VO 50 IS 6 A1 Madeley, C R YR 1997 UL http://jcp.bmj.com/content/50/6/454.abstract AB