Diagnosis and Prevention of Multi-infections of Haemophilus Parasuis Porcine Reproductive and Respiratory Symdrome,Porcine Circovirus Disease and Highly Pathogenic Disease
SU Dan-ping, WANG Wen-hao, ZHANG Xian-hao, ZHANG Dan-lin, HE Dong-sheng
中国畜牧兽医 . 2012, (8): 186 -189 .