comparative study of the seroprevalence of brucellosis in commercial and small-scale mixed dairy-beef cattle enterprises of Lusaka province and Chibombo district, Zambia von Chimana, Henry M, Muma, John Bwalya, Samui, Kenny L, Hangombe, Benard M, Munyeme, Musso, Matope, Gift, Phiri, Andrew M, Godfroid, Jacques, Skjerve, Eystein, Tryland, Morten

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