RT Journal Article SR Electronic T1 Antimicrobial Chemotherapy JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 521 OP 521 DO 10.1136/jcp.43.6.521-d VO 43 IS 6 A1 R C Spencer YR 1990 UL http://jcp.bmj.com/content/43/6/521.4.abstract AB