PT - JOURNAL ARTICLE AU - John R Ashton AU - Carlos Alvarez-Dardet TI - SECURING THE EVIDENCE BASE FOR PUBLIC HEALTH AND ACTING ON IT AID - 10.1136/jech.56.4.241 DP - 2002 Apr 01 TA - Journal of Epidemiology and Community Health PG - 241--241 VI - 56 IP - 4 4099 - http://jech.bmj.com/content/56/4/241.1.short 4100 - http://jech.bmj.com/content/56/4/241.1.full SO - J Epidemiol Community Health2002 Apr 01; 56