PT - JOURNAL ARTICLE AU - Michael Muir TI - Hygieia AID - 10.1136/jech.58.2.160 DP - 2004 Feb 01 TA - Journal of Epidemiology and Community Health PG - 160--160 VI - 58 IP - 2 4099 - http://jech.bmj.com/content/58/2/160.short 4100 - http://jech.bmj.com/content/58/2/160.full SO - J Epidemiol Community Health2004 Feb 01; 58