1. The theory of reference values, Part 1. The concept of reference values IFCE;Clin. Chim. Acta,1983
2. Pilot study of daily variations in blood values of horses of different ages;Bubna;Wiener-Tierarztliche Monatsschrift.,1986
3. Circadian variations in the concentrations of some plasma components in the heavy brood mare;Doreau;Rep. nut. Dev.,1981
4. Gatta , D. Greppi , G.F. Casini , L. Pasquini , M. Colombani , B. Nordio , C. 1992 Feeding schedule and daily fluctuation of haematological parameters in horses Gesellschaft fur Ernahrungsphysiologie 86