KYRIAKIS, S., ANDREOTIS, J., STOITSIOU, C., DONOS, A., & TSAKALOF, P. (2019). Induced oestrus in lactating sows by administration of PMS and HCG. Journal of the Hellenic Veterinary Medical Society, 30(4), 249–252. https://doi.org/10.12681/jhvms.21419