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Comparative Study
. 2004 May 22;363(9422):1724-7.
doi: 10.1016/S0140-6736(04)16260-0.

Those confounded vitamins: what can we learn from the differences between observational versus randomised trial evidence?

Debbie A Lawlor  1 , George Davey Smith, Devi Kundu, K Richard Bruckdorfer, Shah Ebrahim
Affiliations
Comparative Study

Those confounded vitamins: what can we learn from the differences between observational versus randomised trial evidence?

Debbie A Lawlor et al. Lancet. .
No abstract available

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