Literaturrecherche

Literatur Koch E, Ellendorff F (1985) Detection of early pregnancy factor (EPF) activity in farm animals. In: Koch E, Ellendorff F (eds) Early pregnancy factor (EPF). Ithaca, NY: Promethean Press, pp 237-255

Literatur Niemann H, Elsaesser F (1985) Physiological significance of estrogens for the early embryonic development in the pig. In: Koch E, Ellendorff F (eds) Early pregnancy factor (EPF). Ithaca, NY: Promethean Press, pp 43-45