RT Journal Article SR Electronic T1 Improved optical equipment for immunofluorescence studes. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 214 OP 216 DO 10.1136/jcp.20.2.214 VO 20 IS 2 A1 Lidwell, O M A1 Taylor, C E A1 Clark, S P A1 Heimer, G V YR 1967 UL http://jcp.bmj.com/content/20/2/214.abstract AB