1. Parizek J (1964) J Reprod Teratol 7:263
2. Weir PJ, Miller RK (1990) Trophoplast Res 2:357
3. Hurley LS (1977–1978) Nutritional deficiencies and excesses in teratogenesis. In: Wilson JG, Fraser FC (eds) Handbook of teratology, vol 1. Plenum Press, New York, p 261
4. Saner G, Yüksel M (1989) Int symposium on trace elements Paris, 1987. In: Chazot G, Abdulla M, Arnaud P (eds) Curr Trend Trace Elem Res. Smith Gordon and Comp, London, pp 70–73
5. Hunt IF, Murphy NJ, Cleaver MSAE, BahramFaraji MOH, Swendseid ME, Coulson AH, Clark VA, Browdy BL, Cabalum MT, Smith JC (1984) Am J Clinic Nutrition 40:509–521