ΤΣΑΚΑΛΩΦ Π., ΣΑΡΑΤΣΗΣ Φ., & ΠΑΠΑΜΑΡΤΖΙΒΑΝΟΣ Χ. (2019). Oestrus synchronization in cows and heifers with PGF2 a. Journal of the Hellenic Veterinary Medical Society, 33(2), 131–138. https://doi.org/10.12681/jhvms.21531