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A case of generalized avian tuberculosis in sheep is described. The case was somewhat unusual. No calcification and slight encapsulation together with scanty participation of epithelioid cells in the inflammations were typical features. The source of the infection, in an area where this disease is rare, is not known. 相似文献
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T. G. Evans 《BMJ (Clinical research ed.)》1954,1(4854):136-138