SIACHOS (Ν. ΣΙΑΧΟΣ) N., PANOUSIS (Ν. ΠΑΝΟΥΣΗΣ) N., ARSENOS (Γ. ΑΡΣΕΝΟΣ) G. и VALERGAKIS (Γ.Ε. ΒΑΛΕΡΓΑΚΗΣ) G.E. 2018. Investigation of milk urea nitrogen concentration and factors affecting its variation in Greek Holstein herds. Journal of the Hellenic Veterinary Medical Society. 68, 3 (янв. 2018), 423–432. DOI:https://doi.org/10.12681/jhvms.15530.