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Minireview: C2- and C4-position 17β-estradiol metabolites and their relation to breast cancer
1. Department of Physiology, University of Pretoria, P.O. Box 2034, Pretoria, 0001, South Africa
2. Department of Chemistry, University of Pretoria, Pretoria, South Africa
* Address correspondence to: Annie Joubert. Fax: +27 12 3211679. E-mail: annie.joubert@up.ac.za