1. Urea concentration in blood serum as a criterion for the diagnosis of protein and energy malnutrition in dairy cows
REICHEL, Peter et al. Urea concentration in blood serum as a criterion for the diagnosis of protein and energy malnutrition in dairy cows. In Folia veterinaria. ISSN 0015-5748, 2000, roč. 44, č. 4, s. 209-210.