Determination of chlorogenic acid and caffeic acid in Vernonia patula Merr by HPLC
GUO Hai-jiao, LIU Jin-bao, HU Hua, WANG Xian-jun, LIU Wen
HUBEI AGRICULTURAL SCIENCES . 2020, (7): 188 -190 .  DOI: 10.14088/j.cnki.issn0439-8114.2020.07.038