YUAN Yu-feng, TAO Zhan-hua, LIU Jun-xian, TIAN Chang-hai, WANG Gui-wen, LI Yong-qing. Identification of Cortex Phellodendri by Fourier-Transform Infrared Spectroscopy and Principal Component Analysis[J]. Spectroscopy and Spectral Analysis, 2011, 31(5): 1258