title: IMMUNITY TO BRUCELLA INFECTIONS. SOME NEW THOUGHTS ON AN OLD PROBLEM.
mesh_terms: D000349:Africa; D000353:Africa, Southern; D000818:Animals; D002002:Brucella; D002004:Brucella Vaccine; D002006:Brucellosis; D002007:Brucellosis, Bovine; D002417:Cattle; D006041:Goats; D006644:Histiocytes; D006664:History; D049673:History, 20th Century; D007109:Immunity; D007492:Iran; D008511:Medicine; D008521:Mediterranean Islands; D012756:Sheep; D012757:Sheep Diseases
chemical_list: D002004:Brucella Vaccine
keywords: AFRICA, SOUTHERN; BRUCELLA VACCINE; BRUCELLOSIS; BRUCELLOSIS, BOVINE; GOATS; HISTIOCYTES; HISTORY; HISTORY OF MEDICINE, 20TH CENT.; IMMUNITY; IRAN; MEDITERRANEAN ISLANDS; SHEEP DISEASES