CHRISTODOULOPOULOS (Γ. ΧΡΙΣΤΟΔΟΥΛΟΠΟΥΛΟΣ) G., ROUBIES (Ν. ΡΟΥΜΠΙΕΣ) N., KARATZIAS (Χ. ΚΑΡΑΤΖΙΑΣ) H., & PAPASTERIADIS (Α. ΠΑΠΑΣΤΕΡΙΑΔΗΣ) A. (2018). Vitamin A concentrations in dairy cows of Thessaloniki ’s county. Journal of the Hellenic Veterinary Medical Society, 52(4), 257–263. https://doi.org/10.12681/jhvms.15454