共 10 条
[2]
Gillespie TG, 1999, SWINE HEALTH PROD, V7, P81
[3]
Ginsberg M., 2009, Morbidity and Mortality Weekly Report, V58, P400
[4]
Howden KJ, 2009, CAN VET J, V50, P1153
[5]
Janke BH, 2000, SWINE HEALTH PROD, V8, P79
[8]
Olsen CW, 2006, DIS SWINE, P469
[9]
*WHO, GLOB AL RESP CURR WH
[10]
*WORLD ORG AN HLTH, WAHID INT WEEKL DIS