6Gul S T, Khan A. Epidemiology and epizootology of brucello- sis:a review[J]. Palostam Vet J,2007,27(3) : 145-151.
7Franco M P, Mulder M, Gilman R H, et al. Human brucello- sis[J]. Lancet Infect Dis,2007,7(12):775-786.
8Fiori P L, Mastrandrea S, Rappelli P, et al. Brucella abortus infection acquired in microbiology laboratories [J]. J Clin Mi- crobiol, 2000,8 : 2005-2006.
9Chu May J, Weyant S. Francisella and Brucella[M]//Murray P R, Baron EJ, Pfaller M A, Jorgensen J H, et al. Manual of Clinical Microbiology. 8th ed. Washington, DC: ASM Press, 2003:789-808.
10Staszkiewicz J, Lewis C M, Colville J, et al. Outbreak of Bru- cella melitensis among microbiology workers in a community hospital[J]. J Clin Microbiol, 1991,29 : 287-290.