Methods Plasma endothelin levels were determined by redioimmunoassay in 34 diabetics, 27 diabetics complicated with angiocardiopathy and in 30 controls.

• 方法:采用放射免疫分析法测定了34例糖尿病患者,27例糖尿病并发心血管病患者及30例正常健康人血浆中的内皮素的含量。