Big liver and spleen disease(BLSD)was produced experimentally by oral inoculation of BLS agent to 3 month American king pigeons.
用大肝大脾（ B L S） 因子人工接种3月龄美国王鸽后进行病理学动态研究。
Big liver and spleen disease(BLSD)was produced experimentally by oral inoculation of BLS agent to 3 month American king pigeons.
用大肝大脾（ B L S） 因子人工接种3月龄美国王鸽后进行病理学动态研究。
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