Studies on the expectorant, antitussive and antiasthmatic properties of asterosaponin extracted from Luidia quinaria
Chenghua Guo1,2*, Xuexi Tang1, Xinwei Dong2 and Yan Yang1
1College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China.
2Scientific and Technological College of Chemistry and Biology, Yantai University, Yantai 264005, China
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