题目:A review of evidence for immunosuppression due to porcine reproductive and respiratory syndrome virus.5 Q: }/ Z- ]: f2 S1 M3 i9 F* B
作者:Drew TW. 刊名:Veterinary research 出版日期:2000 期号:No.1 卷号:Vol.31 8 t4 h- J+ v: S* R. P6 ^链接:http://www.ncbi.nlm.nih.gov/pubmed/10726636