downer cow syndrome
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Dynamics of Calcaemia, Phosphoraemia and Magnesaemia at Different Prepartal Intakes of Calcium in Dairy Cows
T. Zelený, J. Zelený, V. Kroupová, P. Slavík
2007, Vol. 76, Issue 2, pp. 187-193
T. Zelený, J. Zelený, V. Kroupová, P. Slavík