PT  - JOURNAL ARTICLE
ED  - ,
TI  - Hygieia
DP  - 2004 Sep 01
TA  - Journal of Epidemiology and Community Health
PG  - 804--804
VI  - 58
IP  - 9
4099  - http://jech.bmj.com/content/58/9/804.short
4100  - http://jech.bmj.com/content/58/9/804.full
SO  - J Epidemiol Community Health2004 Sep 01; 58