Evidence for lack of absorption of soy isoflavone glycosides in humans, supporting the crucial role of intestinal metabolism for bioavailability - Setchell,K.DR.; Brown,N.M.; Zimmer-Nechemias,L.; Brashear,W.T.; Wolfe,B.E.; Kirschner,A.S.; Heubi,J.E. (Am J Clin Nutr, 2002)