Published in
Elsevier, Gaceta Sanitaria, 6(23), p. 564, 2009
DOI: 10.1016/j.gaceta.2009.02.014
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On the comparability of population-based and hospital-based case-control studies
Journal article published in 2009 by
Nuno Lunet 
,
Ana Azevedo
,
Ana Azevedo
This paper is made freely available by the publisher.
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