Objective:To study the abnormalities in porphyrin metabolism in patients with acute intermittent porphyria(AIP),AIP carriers and normal healthy subjects ,and their erythrocyte and liver enzyme activity.

• 目的：研究急性间歇性卟啉病（Acuteintermitentporphyria，AIP）患者卟啉代谢的变动及其相关酶活性。