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伤科七味片是由元胡等７味中药组成，采用双波长薄层扫描法测定其中延胡索乙素的含量，方法简单，可靠。
The traumatic seven-flavor tablets are composed of 7 Chinese herbal medicines such as Yuanhu, and the content of tetrahydropalmatine is determined by the dual-wavelength thin-layer scanning method. The method is simple and reliable.