Epidemiological Investigation and Antigen Phylogeny Analyses in Guangdong for Porcine Transfusion Transmitted Virus
CHEN Yi-wen, LI Zhong-sheng, BAI Ai-quan, CHEN Shan-zhen, LI Qi-chang, YAO Huo-chun, WANG Gui-ping
ACTA VETERINARIA ET ZOOTECHNICA SINICA . 2012, (11): 1767 -1772 .