1. Detection of nosocomial Clostridium difficile infections with toxigenic strains despite negative toxin A and B testing on stool samples 
J. Stahlmann, M. Schönberg, M. Herrmann, L. von Müller 
Clinical Microbiology and Infection 
Volume 20, Issue 9, Pages O590-O592 (September 2014)
DOI: /
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2. FIG. 1
SIpA sequence types of isolates sub-classified into toxigenic vs. non-toxigenic strains. Of 111 isolates, 82 toxigenic strains were identified in toxin A/B-negative stools, including hypervirulent strains.
Clinical Microbiology and Infection  , O590-O592DOI: ( / )
Copyright © 2013 European Society of Clinical Infectious Diseases Terms and Conditions