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Louisiana Department of Health - http://new.dhh.louisiana.gov/assets/oph/Center-PHCH/Center-CH/infectious-epi/EpiManual/BrucellosisManual.pdf
References
1http://en.wikipedia.org/wiki/Brucella
2Scallan et al. 2011.Emerging Infectious Diseases 17:7-15 PMID:21192848