METHODS The RIA method was used to detect the concentration of plasma ET and CGRP by PGE 1 treatment in 90 cases with CRF and 78 normal cases as control.

• 方法 利用放射免疫分析法测定 90例 CRF患者经 PGE1 治疗后的血浆 ET及 CGRP水平的变化并分析其相互关系 .