RT Journal Article SR Electronic T1 History in the public health tool kit JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 611 OP 612 DO 10.1136/jech.55.9.611 VO 55 IS 9 A1 VIRGINIA BERRIDGE YR 2001 UL http://jech.bmj.com/content/55/9/611.abstract AB