Literaturrecherche

Literatur Aurich C, Parvizi N, Brunklaus D, Hoppen HO, Aurich J (2001) Opioidergic and dopaminergic effects on LH and prolactin release in pony mares at different times of the year. J Reprod Fertil Suppl 56:195-203

Literatur Niemann H, Reichelt B (1993) Manipulating early pig embryos. J Reprod Fertil(SH):75-94