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Non-specific effects of vaccines: RCTs, not observational studies, are needed

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  • Linked articles: archdischild-2011-300646

  • Competing interests AJP conducts trials on behalf of the University of Oxford sponsored by vaccine manufacturers but does not receive any personal payments from them. His department has received unrestricted educational grants from vaccine manufacturers for the organisation of courses and conferences.

  • Provenance and peer review Commissioned; externally peer reviewed.

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