Rehmannia is a commonly used Chinese herb,which improves learning and memory.However,the crucial components of the signa......

目的：对国内6个不同产区地黄中梓醇含量进行相关性研究。方法：采用高效液相色谱法进行含量测定，采用TCM-GIS-Ⅱ进行产地相似度分析。......