Cain VS, Johannes CB, Avis NE, Mohr B, Schocken M, Skurnick J, Ory M. Sexual functioning and practices in a multi-ethnic study of midlife women: baseline results from SWAN. J Sex Res. 2003 Aug 1;40(3):266-76.
Burke GL, Legault C, Anthony M, Bland DR, Morgan TM, Naughton MJ, Leggett K, Washburn SA, Vitolins MZ. Soy protein and isoflavone effects on vasomotor symptoms in peri- and postmenopausal women: the soy estrogen alternative study. Menopause. 2003 Mar;10(2):147-53.