RT Journal Article SR Electronic T1 An evaluation of Intralactam, a preparation for the detection of beta-lactamase production by Haemophilus influenzae. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 738 OP 740 DO 10.1136/jcp.32.7.738 VO 32 IS 7 A1 D B Wheldon A1 M P Slack YR 1979 UL http://jcp.bmj.com/content/32/7/738.abstract AB