目的：了解成都地区动物性食品中兽药残留水平，探讨其污染来源，评价其膳食安全性。
Objective: to investigate the residual level and polluted source of veterinary drugs in animal derived food in Chengdu, and to assess its dietary reliability.
目的：了解成都地区动物性食品中兽药残留水平，探讨其污染来源，评价其膳食安全性。
Objective: to investigate the residual level and polluted source of veterinary drugs in animal derived food in Chengdu, and to assess its dietary reliability.
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