RT Journal Article
SR Electronic
T1 Efficacy, effectiveness, and the evaluation of public health interventions
JF Journal of Epidemiology and Community Health
JO J Epidemiol Community Health
FD BMJ Publishing Group Ltd
SP 345
OP 346
DO 10.1136/jech.2004.020784
VO 59
IS 5
A1 Mauricio L Barreto
YR 2005
UL http://jech.bmj.com/content/59/5/345.abstract
AB