Welcome to Chinese Agricultural Science Bulletin,
The Research on the Content of the Main Efficacy Composition of the Wild Chrysanthemum in Different Picking Period
纪小燕,王玉,丁兆堂,张新富,袁从波
Chinese Agricultural Science Bulletin . 2009, (3): 40 -44 .  DOI: 10.11924/j.issn.1000-6850.2008-0960