China: Nanjing Medical University_ Manganese superoxide dismutase gene polymorphism with breast cancer?

Breast Cancer Res Treat. 2010 Jun 22.
Possible risk modifications in the association between MnSOD Ala-9Val polymorphism and breast cancer risk: subgroup analysis and evidence-based sample size calculation for a future trial.
http://www.ncbi.nlm.nih.gov/pubmed/20567899