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Comment
. 2009 Apr 29:338:b1746.
doi: 10.1136/bmj.b1746.

Standardised mortality ratios. Methodological bias

Chris Sherlaw-Johnson, David Harvey, Nick Bishop, Heather Wood, Richard Hamblin, Nigel Ellis, Giovanna Maria Polato
Comment

Standardised mortality ratios. Methodological bias

Chris Sherlaw-Johnson et al. BMJ. .
No abstract available

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