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. Author manuscript; available in PMC: 2017 Dec 19.
Published in final edited form as: Microbiol Spectr. 2017 Sep;5(5):10.1128/microbiolspec.BAD-0009-2016. doi: 10.1128/microbiolspec.BAD-0009-2016

Figure 1. Cumulative number of C. difficile articles in PubMed.

Figure 1

Total article number includes all articles with ‘difficile’ in either the title or abstract; *Ribotype articles are those that have ‘difficle’ and the ribotype (or alternative nomenclature) in the title or abstract e.g. RT027 articles were classified as such if they had ‘difficile’ AND ‘Ribotype 027’ OR ‘RT027’ OR ‘Sequence Type 1’ OR ‘NAP1’ etc. Although not a definitive measure of global ribotype abundance, this data can serve as a proxy for the relative frequency of outbreaks associated with specific ribotypes.