1.
WHO Reg Publ Eur Ser
; (92): 439-62, 2001.
Article
in English
| MEDLINE
| ID: mdl-11729782
2.
Am J Public Health
; 89(8): 1153-5, 1999 Aug.
Article
in English
| MEDLINE
| ID: mdl-10432897
Subject(s)
Epidemiology/trends , Communicable Disease Control , Epidemiologic Methods , Health Promotion , Humans
3.
Am J Health Promot
; 12(2): 111, 1997.
Article
in English
| MEDLINE
| ID: mdl-10174662