Correlation and Principal Component Analyses of Inorganic Elements in Gentiana officinalis H.Smith.from Different Areas of Gansu Province
XIE Ming1,WANG Jie1,ZHANG Qi-li1,LI Si-hai1,2,CHEN Hui1,3,ZHAO Lei1,2,4*
NATURAL PRODUCT RESEARCH AND DEVELOPMENT . 2016, (9): 1402 -1408 .  DOI: 10.16333/j.1001-6880.2016.9.011