Thompson, Lilian U.; Boucher, Beatrice A.; Liu, Zhen; Cotterchio, Michelle; Kreiger, Nancy (17 de junho de 2006). «Phytoestrogen content of foods consumed in Canada, including isoflavones, lignans, and coumestan». Nutrition and Cancer. 54 (2): 184–201. PMID16898863. doi:10.1207/s15327914nc5402_5
Cederroth CR, Auger J, Zimmermann C, Eustache F, Nef S (2010). «Soy, phyto-oestrogens and male reproductive function: a review». International Journal of Andrology. 33 (2): 304–16. PMID19919579. doi:10.1111/j.1365-2605.2009.01011.x
Thompson, Lilian U.; Boucher, Beatrice A.; Liu, Zhen; Cotterchio, Michelle; Kreiger, Nancy (17 de junho de 2006). «Phytoestrogen content of foods consumed in Canada, including isoflavones, lignans, and coumestan». Nutrition and Cancer. 54 (2): 184–201. PMID16898863. doi:10.1207/s15327914nc5402_5
Cederroth CR, Auger J, Zimmermann C, Eustache F, Nef S (2010). «Soy, phyto-oestrogens and male reproductive function: a review». International Journal of Andrology. 33 (2): 304–16. PMID19919579. doi:10.1111/j.1365-2605.2009.01011.x