4Parshad RK.Effects of selenium toxicity on oestrous cyclicity, ovarian follicles, ovulation and foetal survival in ratsIndian Journal of Experimental Biology,1999.
5Hau J,Basse A,Wolstrup C.A murine model for the assessment of placental and fetal development in teratogenicity studiesLad Anim,1987.
6MENSINK C G,KOEMAN J P,VELING J,et al.Haemor-rhagic claw lesions in newborn piglets due to selenium toxi-cosis during pregnancyVeterinary Record,1990.
