Study on Ultrasonic Extraction of Activity Protein from Sheep Placenta
Jiao Yan-li, Du Bing, Guo Xiao-ming, Ni Wan-na, Li Ming-yu, Yang Gong-ming
Food and Fermentation Industries . 2011, (11): 224 -228 .  DOI: 10.13995/j.cnki.11-1802/ts.2011.11.009