1Al-Shamahy HA,Whitty CJ,Wright SG.Risk factors for human brucellosis in Yemen:a case control study[J].Epidemiol Infect,2000,125(2):309-313.
2Zowghi E,Ebadi A,Mohseni B.Isolation of Brucella organisms from the milk of seronegative cows[J].Rev Sci Teeh,1990,9(4):1175-1178.
3Knosel H,Hempel E,Forschner E.Experiences in the control of brucellosis in cattle herds in the government district of Hannover[J].Dtsch Tierarztl Wochenschr,1991,98(9):356-358.
