Levkivska, N., Gutyj, B. and Levkivskyj, D. (2016) “COMPARATIVE EFFECTIVENESS THERAPEUTIC AND PROPHYLACTIC PREPARATIONS WHEN APPLYING 3% OF ETHANOL–WATER EMULSION OF PROPOLIS AND ANTIBIOTICS FOR CATARRHAL PNEUMONIA IN CALVES”, Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Veterinary Sciences, 18(2(66), pp. 116-121. doi: 10.15421/nvlvet6624.