RT Journal Article SR Electronic T1 Difficulties in the diagnosis of acquired immune deficiency syndrome. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 1316 OP 1317 DO 10.1136/jcp.37.11.1316 VO 37 IS 11 A1 E G Wilkins A1 C Roberts A1 W Taylor A1 R M Barnes YR 1984 UL http://jcp.bmj.com/content/37/11/1316.abstract AB