RT Journal Article SR Electronic(1) A1 Asseva, G A1 Petrov, P A1 Ivanov, I A1 Kantardjiev, T YR 2006 T1 Surveillance of human salmonellosis in Bulgaria, 1999-2004: trends, shifts and resistance to antimicrobial agents JF Eurosurveillance VO 11 IS 5 SP 11SP 624 OP 12 DO https://doi.org/10.2807/esm.11.05.00624-en UL https://www.eurosurveillance.org/content/10.2807/esm.11.05.00624-en