A herbal-drug interaction study of keishi-bukuryo-gan, a traditional herbal preparation used for menopausal symptoms, in healthy female volunteers. - Saruwatari, Junji; Takaishi, Chisato; Yoshida, Kousuke; Takashima, Ayaka; Fujimura, Youhei; Umemoto, Yuichiro; Abe, Tomohiro; Kitamado, Masataka; Shimomasuda, Masatsugu; Muramoto, Yousuke; Nakagawa, Kazuko (Journal of Pharmacy & Pharmacology, 2012)