Experiments of Concentrating NDV and IBDV by Using Plate-type Ultrafilter
Zheng Shilan, Jiang Beiyu, Liu Fuzhi, Zhang Shuping, Jing Xiaodong, Li Lin, Yao Ying
ACTA AGRICULTURAE BOREALI-SINICA . 1999, (2): 139 -144 .  DOI: 10.3321/j.issn:1000-7091.1999.02.028