Umur, H., Hanoğlu Oral, H., Ekşi Karaağaç, H., Koçer, S., Uçurum, H. και Altınçekiç, E. 2024. Determination of Urea Content in Dairy Cattle Feed by High Performance Liquid Chromatography via Refractive Index Detector: Method Optimization, Validation and Comparison with Spectro-Colorimetric Method. Περιοδικό της Ελληνικής Κτηνιατρικής Εταιρείας. 75, 2 (Ιουλίου 2024), 7501–7512. DOI:https://doi.org/10.12681/jhvms.35131.