Establishment and evaluation of detection method of 
bifidobacteria in human fecal  using real-time fluorescence quantitative PCR
ZHANG Li-wen,WANG Zong-run,WU Xiu-li,FANG Ming-li,ZHANG Yun-feng
Journal of Jilin University(Medicine Edition) . 2014, (03): 686 -691 .  DOI: 10.13481/j.1671-587x.20140344