RT Journal Article SR Electronic T1 Vision of a rapid, flexible, cost effective, survey-based public health surveillance system JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 612 OP 612 DO 10.1136/jech.55.9.612 VO 55 IS 9 A1 CHOI, BERNARD C K A1 MOWAT, D YR 2001 UL http://jech.bmj.com/content/55/9/612.abstract AB