Advances in Production of N-acetyl-D-neuraminic Acid by #br#Whole-cell Biocatalysis 
Zhang Congcong, Chen Caixia, Chen Xiao, Wen Ya, Yan Liming, Tao Yong
Biotechnology Bulletin . 2015, (4): 175 -183 .  DOI: 10.13560/j.cnki.biotech.bull.1985.2015.03.020