Comparative Study on the Contents of Flavonoids and Lactones in Ginkgo Pollen from Different Regions
WANG Guo-xia, CAO Fu-liang*, WANG Gui-bin, ZHANG Wang-xiang
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2007, (03): 34 -38 .  DOI: 10.3969/j.jssn.1000-2006.2007.03.007