Chen Can, Du Guo-Hao, Xiao Ti-Qiao, Guo Rong-Yi, Ren Yu-Qi, Xie Hong-Lan, Deng Biao, Xu Hong-Jie, Wu Li-Hong, Xue Yan-Ling. Investigation of characteristic microstructures of wild ginseng by X-ray phase contrast microscopyJ. Acta Physica Sinica, 2010, 59(8): 5496-5507. DOI: 10.7498/aps.59.5496