Obermeyer, W. R., Musser, S. M., Betz, J. M., Casey, R. E., Pohland, A. E. and Page, S. W., 1995. Chemical studies of phytoestrogens and related compounds in dietary supplements – fl ax and chaparral. Proceedings of the Society for Experimental Biology and Medicine. See also Obermeyer, W. R., Warner, C., Casey, R. E. and Musser, S., 1993, Flax seed lignans isolation metabolism and biological effects. Fed. Am. Soc. Exp. Biol. J., A863.