Meemak, Thanannat, Jureerut Daduang, and Patcharee Boonsiri. 2016. “Equol: a Phytoestrogen from Soy Bean: Its Roles in Health”. Research Medical Journal 39 (2):132-41. https://he02.tci-thaijo.org/index.php/ramajournal/article/view/57629.