[Recognition of spikes of Schizonepeta tenuifolia from different area based on backpropagation neural network coupled with dimension reduction of principal component analysis].
Yao
Weifeng
W
College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210046, China.
Cao
Linlin
L
Shan
Mingqiu
M
Zhang
Li
L
Ding
Anwei
A