na INLIS000000000011820 20240305022039 0010-0521011820 240305 | | en 616.981.42/WOR/d 616.981.42/WOR/d World Health Organization The Development of new/improved Brucellosis vaccines / World Health Organization Geneva : World Health Organization, [1997] 47 p.; 30 cm. BRUCELLOSIS -- MAN -- ANIMALS -- VACCINES -- BRUCELLA ABORTUS STRAIN RB51