RT Journal Article SR Electronic T1 Neonatal meningitis caused by Citrobacter koseri JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 138 OP 139 DO 10.1136/jcp.26.2.138 VO 26 IS 2 A1 Gross, R. J. A1 Rowe, B. A1 Easton, J. A. YR 1973 UL http://jcp.bmj.com/content/26/2/138.abstract AB Three cases of neonatal meningitis, two of which were fatal, occurred in a premature baby unit during a period of one week. A fourth case occurred in the same unit six months later. Citrobacter koseri was isolated from the cerebrospinal fluid of all four cases. Detailed biochemical and serological examination of the organisms showed that two distinct bioserotypes were involved.