RT Journal Article SR Electronic T1 Reference Methods for the Microbiological Examination of Foods JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 369 OP 369 DO 10.1136/jcp.25.4.369-c VO 25 IS 4 A1 Betty C. Hobbs YR 1972 UL http://jcp.bmj.com/content/25/4/369.3.abstract AB