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Although this difference in profile is insufficient to distinguish clearly between the variants, the possibility of co-infection with different strains of<jats:italic>L. monocytogenes<\/jats:italic>needs to be considered. We suggest that more than one colony should be selected for molecular typing to aid interpretation during investigation of the sources and routes of<jats:italic>Listeria<\/jats:italic>infection.<\/jats:p>","DOI":"10.1017\/s0950268806007503","type":"journal-article","created":{"date-parts":[[2006,11,17]],"date-time":"2006-11-17T08:30:45Z","timestamp":1163752245000},"page":"854-856","source":"Crossref","is-referenced-by-count":6,"title":["More than one variant of<i>Listeria monocytogenes<\/i>isolated from each of two human cases of invasive listeriosis"],"prefix":"10.1017","volume":"135","author":[{"given":"W.","family":"THAM","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G. 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