RT Journal Article SR Electronic(1) A1 Giuliani, M A1 Suligoi, B A1 the STD Surveillance Working Group, Collective YR 1998 T1 Sentinel surveillance of sexually transmitted diseases in Italy JF Eurosurveillance VO 3 IS 6 SP 55SP 97 OP 8 DO https://doi.org/10.2807/esm.03.06.00097-en UL https://www.eurosurveillance.org/content/10.2807/esm.03.06.00097-en