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J R Soc Med. 2009 May;102(5):186-94. doi: 10.1258/jrsm.2009.090020.

The evolution of evidence hierarchies: what can Bradford Hill's 'guidelines for causation' contribute?

Author information

1
Centre for Evidence-Based Medicine, Rosemary Rue Building, Old Road Campus, University of Oxford Oxford OX3 7LF. Jeremy.howick@dphpc.ox.ac.uk
PMID:
19417051
PMCID:
PMC2677430
DOI:
10.1258/jrsm.2009.090020
[Indexed for MEDLINE]
Free PMC Article

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