Lu Meng Chao, Koji Takayama, Yoshitaka Nakanishi, Katsumi Hamana, Mitsuhiro Takagi, Chikara Kubota, Toshiyuki Kojima

J Vet Sci.2008;9(1):95-101.   Published online 2008 March 31     DOI: http://dx.doi.org/10.4142/jvs.2008.9.1.95