Wang X, Li J, Wei L, Zhang L, An D
Beijing University of Traditional Chinese Medicine.
Zhongguo Zhong Yao Za Zhi. 1996 Apr;21(4):198-200, 254.
The PCA method and NLM technology were used to study on quality of 40 Radix Sophorae Flavescentis samples collected from different regions of China. The results showed were unanimous with that of traditional appraisal.
