To gallstone, results show that cholesterol stone, bilirubin stone, and bedload stone are common in Lubei area, especially the bedload stone.

• 结果表明鲁北地区人体胆结石主要有胆固醇结石、胆色素结石和泥砂质结石,其中以泥砂质结石较多,未发现混合结石。