岭南牛是陕西省商洛市鹘岭以南的地方品种。
Lingnan cattle is a local breed distributed in the southern area of Guling of Shangluo city of Shaanxi province.
结论矿物冶炼和开采引起水砷污染，导致砷中毒在陕西省商洛市流行。
Conclusions Ore mining and smelting induces high-arsenic drinking waters, resulting in arsenism prevalence in Shangluo City.
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