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  1. Article

    Open Access

    Urinary phytoestrogen excretion and prostate cancer risk: a nested case–control study in the Multiethnic Cohort

    Phytoestrogens are of special interest in prostate cancer research because populations in Asia with a high consumption of phytoestrogens have a lower incidence of the disease than comparable populations in Wes...

    S-Y Park, L R Wilkens, A A Franke, L Le Marchand, K K Kakazu in British Journal of Cancer (2009)

  2. Article

    Open Access

    Prospective study of grapefruit intake and risk of breast cancer in postmenopausal women: the Multiethnic Cohort Study

    In vitro and in vivo studies have shown that cytochrome P450 3A4 (CYP3A4) is involved in the metabolism of oestrogens. There is evidence that grapefruit, an inhibitor of CYP3A4, increases plasma oestrogen concent...

    K R Monroe, S P Murphy, L N Kolonel, M C Pike in British Journal of Cancer (2007)