PT  - JOURNAL ARTICLE
AU  - Ashton, John R
AU  - Alvarez-Dardet, Carlos
TI  - RESEARCH FOR PRACTICAL PUBLIC HEALTH
AID  - 10.1136/jech.56.9.641
DP  - 2002 Sep 01
TA  - Journal of Epidemiology and Community Health
PG  - 641--641
VI  - 56
IP  - 9
4099  - http://jech.bmj.com/content/56/9/641.short
4100  - http://jech.bmj.com/content/56/9/641.full
SO  - J Epidemiol Community Health2002 Sep 01; 56