The correlation study between 18 inorganic elements in Maodongqing based on heat map and cluster analysis
LIU Yuan, LI Min, CHEN Xiao-peng, YE Hui, BAI Gang-gang, CHOU Ya-jing, YAO Xin, JIANG Wei
NATURAL PRODUCT RESEARCH AND DEVELOPMENT . 2020, (7): 1111 -1117 .  DOI: 10.16333/j.1001-6880.2020.7.004