1. Apte, S.V., and Iyengar, L. (1972): Br. J. Nutr., 27, 305–312.
2. Atanassova, P., and Popova, L. (2000): Cells Tissues Organs., 166, 15–19.
3. Auwerx, J., and Staels, B. (1998): Lancet, 351, 737–742.
4. Blum, W.F., Englaro, P., Hanitsch, S., Juul, A., Hertel, N.T., Muller, J., Skakkebaek, N.E., Heiman, M.L., Birkett, M., Attanasio, A.M., Kiess, W., and Rascher, W. (1997): J. Clin. Endocrinol. Metab., 82, 2904–2910.
5. Buamah, P.H., Russell, M., Milford-Ward, A., Taylor, P., and Roberts, D.F. (1984): Clin. Chem., 30, 1667–1670.