Vassallo, D. J. (21 September 1996). "The saga of brucellosis: controversy over credit for linking Malta fever with goats' milk". The Lancet. 348 (9030): 804–808. doi:10.1016/s0140-6736(96)05470-0. PMID8813991. S2CID7966216.
Vassallo, D. J. (21 September 1996). "The saga of brucellosis: controversy over credit for linking Malta fever with goats' milk". The Lancet. 348 (9030): 804–808. doi:10.1016/s0140-6736(96)05470-0. PMID8813991. S2CID7966216.
Vassallo, D. J. (21 September 1996). "The saga of brucellosis: controversy over credit for linking Malta fever with goats' milk". The Lancet. 348 (9030): 804–808. doi:10.1016/s0140-6736(96)05470-0. PMID8813991. S2CID7966216.