1. Bach, P.H., Bonner, F.W., Bridges, J.W., and Lock, E.A., 1982, ’Nephrotoxicity, Assessment and pathogenesis’, Wiley and Sons, Chichester, New York, Brisbane, Toronto, Singapore.
2. Beck, F., Huxham, U.M., and Al Alonsi, L., 1984, Transport in yolk sac epithelium. Verh. Anat. Ges. 78:99.
3. Bettger, W. J., and O’Dell, B.L., 1981, A critical physiological role of zinc in the structure and function of biomembranes, Life Sci. 28:1425.
4. Carbone, R., Baldridge, A.B., Magen, A.B., Andrew, C.L., Koszalka, T.R., and Brent, R.L., 1986, Glucocorticoid and progesterone receptors in the yolk sac placenta, Placenta 7:425.
5. Forth, W., Henschler, D., and Rummel, W., 1984, “Allgemeine Pharmakologie und Toxikologie”, Wissenschaftsverlag, Bibliographisches Institut, Mannheim, Wien, Zürich.