Literaturrecherche

Literatur Niemann H, Elsaesser F (1986) Accumulation of sex steroids in preimplantation pig blastocysts and their importance for an undisturbed early embryonic development. Current Topics Vet Med Anim Sci 34:109-118

Literatur Koch E (1986) Early pregnancy factor : its significance as an indicator of fertilization and embryonic viability. Current Topics Vet Med Anim Sci 34:74-92