RT Journal Article SR Electronic(1) A1 Ostroff, Stephen M. YR 2001 T1 The Epidemic Intelligence Service in the United States JF Eurosurveillance VO 6 IS 3 SP 34SP 216 OP 36 DO https://doi.org/10.2807/esm.06.03.00216-en UL https://www.eurosurveillance.org/content/10.2807/esm.06.03.00216-en