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Jump to: 2004
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2004
Lawlor, DA;
Davey Smith, G;
Kundu, D;
Bruckdorfer, KR;
Ebrahim, S;
(2004)
Those confounded vitamins: what can we learn from the differences between observational versus randomised trial evidence?
Lancet, 363 (9422).
pp. 1724-7.
ISSN 0140-6736
DOI: https://doi.org/10.1016/S0140-6736(04)16260-0
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