Journal of Liaoning Petrochemical University
Determination of Flavonoids From Codonopsis Pilosula With Spectrophotometer
WANG Qing-ming, ZHANG Jin-sheng, LI Li-hua, XUE Li-min
Journal of Liaoning Petrochemical University . 2010, (4): 4 -07 .  DOI: 10.3696/j.issn.1672-6952.2010.04.002