Rapid discrimination of Shigella spp. and Escherichia coli via label-free surface enhanced Raman spectroscopy coupled with machine learning algorithms oleh Wei Liu, Jia-Wei Tang, Jia-Wei Tang, Jing-Yi Mou, Jing-Wen Lyu, Yu-Wei Di, Ya-Long Liao, Yan-Fei Luo, Zheng-Kang Li, Xiang Wu, Liang Wang