Objective To explore the relation between the change of parathyroid hormone(PTH)and serumcalcium(Ca),phosphorum(P)and hemoglobin(Hb)in patients of different stage in chronic renal dysfunction.

• 目的探讨肾功能不全不同阶段患者血甲状旁腺激素(PTH)的变化及与血钙、血磷、血红蛋白的关系。