RT Journal Article SR Electronic T1 ACP Broadsheet no 125: July 1990. Bacteriological diagnosis of diphtheria. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 576 OP 580 DO 10.1136/jcp.43.7.576 VO 43 IS 7 A1 Brooks, R A1 Joynson, D H YR 1990 UL http://jcp.bmj.com/content/43/7/576.abstract AB