Epizootological analysis of the incidence of leptospirosis among swine and cattle populations in the region of Stara Zagora during the period 1992-1999
Източник: BULGARIAN JOURNAL OF VETERINARY MEDICINE
Epizootological analysis of the incidence of leptospirosis among swine and cattle populations in the region of Stara Zagora during the period 1992-1999 / Пълен текст
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Прима-Софт ООД, 2026