PT - JOURNAL ARTICLE AU - J Hemmings AU - J Wilkinson TI - What is a public health observatory? AID - 10.1136/jech.57.5.324 DP - 2003 May 01 TA - Journal of Epidemiology and Community Health PG - 324--326 VI - 57 IP - 5 4099 - http://jech.bmj.com/content/57/5/324.short 4100 - http://jech.bmj.com/content/57/5/324.full SO - J Epidemiol Community Health2003 May 01; 57