Melamine is a chemical raw material, simply put, in raw milk, adding melamine, is the agency in order to buy milk inflated the amount of milk, milk Riga in the water.

• 少数病人可探及少量腹水。结石绝大部分累及双侧集合系统及双侧输尿管；输尿管结石多位于肾盂输尿管交界处、输尿管跨越髂动脉段及输尿管膀胱连接部；