title: isolation of Brucella abortus in the Sudan.
mesh_terms: D002003:Brucella abortus / Q000302:isolation & purification; D002006:Brucellosis / Q000175:diagnosis / Q000209:etiology* / Q000382:microbiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D013397:Sudan