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马根维里注射液（Gadolinium－DTPA，Gd－DTPA）临床应用的关键问题是要在理解Gd－DTPA产生对比度增强作用的实质的基础上，正确处理影响对比度增强效果的实际因素。关于这方面的问题，国内正式发表的文章很少，缺乏一致认识。本文从分析Gd－DTPA对弛豫时间的作用人手，讨论Gd
The key issue in the clinical application of Gadolinium-DTPA (Gd-DTPA) is to properly handle the actual factors that affect the contrast-enhancing effect, based on an understanding of the substance of the contrast enhancing effect of Gd-DTPA. As for the issues in this respect, there are few official articles published in the country and there is a lack of consensus. This article analyzes the Gd-DTPA relaxation time on the manpower to discuss Gd