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2. BioMed Central: How to deal with text recycling.., [ http://media.biomedcentral.com/content/editorial/BMC-text-recycling-editorial_guidelines.pdf ]
3. BioMed Central: Editorial Policies – Text Recycling Policy.., [ http://www.biomedcentral.com/about/editorialpolicies#TextRecycling ]
4. Committee on Publication Ethics: What to do if you suspect redundant (duplicate) publication.., [ http://publicationethics.org/resources/flowcharts ]