Gac Sanit- PDF Download - Art. IDS0213-91112011000500002

Gaceta Sanitaria
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CASTANO-VINYALS, Gemma et al. Participation rates in the selection of population controls in a case-control study of colorectal cancer using two recruitment methods. Gac Sanit [online]. 2011, vol.25, n.5, pp.353-356. ISSN 0213-9111.

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