共 13 条
[1]
AUDIGE L, 1997, EPIDEMIOLOGIE SANTE, V31, P11
[2]
Busse FW, 1992, P 12 C INT PIG VET S, P115
[3]
CANON RM, 1982, LIVESTOCK DIS SURV F
[4]
DEE SA, 1993, SWINE PRACTITION MAR, P655
[6]
Porcine reproductive and respiratory syndrome (PRRS): A review, with emphasis on pathological, virological and diagnostic aspects
[J].
BRITISH VETERINARY JOURNAL,
1996, 152 (02)
:153-174
[8]
HUBER R, 1998, GESUNDHEITSMONITORIN
[9]
LOULA T, 1991, AGRI-PRACTICE, V12, P23
[10]
MEREDITH MJ, 1995, CLIN SIGNS PRRS, P14