A later meta-analysis showed only borderline significant effects ( Bagnardi et al. 2001 a , b ), and the most recent review concluded that the evidence for a causal relationship was not sufficient ( Bandera et al. 2001 ).
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A later meta-analysis showed only borderline significant effects ( Bagnardi et al. 2001 a , b ), and the most recent review concluded that the evidence for a causal relationship was not sufficient ( Bandera et al. 2001 ).